{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.
{7}{R}
Bearer of the Heavens
Creature - Giant
When Bearer of the Heavens dies, destroy all permanents at the beginning of the next end step.
10 /
10
--
Blood Crypt
Land - Swamp Mountain
({T}: Add {B} or {R}.)
As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{5}{R}
Bloodshot Cyclops
Creature - Cyclops Giant
{T}, Sacrifice a creature: Bloodshot Cyclops deals damage equal to the sacrificed creature's power to any target.
4 /
4
--
Bloodstained Mire
Land
{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.
{2}{R}{R}
Boldwyr Heavyweights
Creature - Giant Warrior
Trample
When Boldwyr Heavyweights enters the battlefield, each opponent may search their library for a creature card and put it onto the battlefield. Then each player who searched their library this way shuffles.
8 /
8
{5}{R}{R}
Borderland Behemoth
Creature - Giant Warrior
Trample
Borderland Behemoth gets +4/+4 for each other Giant you control.
4 /
4
--
Breeding Pool
Land - Forest Island
({T}: Add {G} or {U}.)
As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{2}{R}{W}
Brion Stoutarm
Legendary Creature - Giant Warrior
Lifelink
{R}, {T}, Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature's power to target player or planeswalker.
4 /
4
{2}{G}{G}
Chameleon Colossus
Creature - Shapeshifter
Changeling (This card is every creature type.)
Protection from black
{2}{G}{G}: Chameleon Colossus gets +X/+X until end of turn, where X is its power.
4 /
4
{4}{G}
Changeling Titan
Creature - Shapeshifter
Changeling (This card is every creature type.)
Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)
7 /
7
{3}{W}{W}
Cloudgoat Ranger
Creature - Giant Warrior Ranger
When Cloudgoat Ranger enters the battlefield, create three 1/1 white Kithkin Soldier creature tokens.
Tap three untapped Kithkin you control: Cloudgoat Ranger gets +2/+0 and gains flying until end of turn.
3 /
3
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
{1}{R}
Crush Underfoot
Tribal Instant - Giant
Choose a Giant creature you control. It deals damage equal to its power to target creature.
{2}{G}
Cultivate
Sorcery
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{3}{B}{B}
Dark Petition
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, add {B}{B}{B}.
{3}
Darksteel Ingot
Artifact
Indestructible
{T}: Add one mana of any color.
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{1}{R}
Fling
Instant
As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
{4}{U}{U}
Frost Titan
Creature - Giant
Whenever Frost Titan becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.
Whenever Frost Titan enters the battlefield or attacks, tap target permanent. It doesn't untap during its controller's next untap step.
6 /
6
{4}{R}
Giant Harbinger
Creature - Giant Shaman
When Giant Harbinger enters the battlefield, you may search your library for a Giant card, reveal it, then shuffle and put that card on top.
3 /
4
--
Godless Shrine
Land - Plains Swamp
({T}: Add {W} or {B}.)
As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{3}{G}
Gorm the Great
Legendary Creature - Giant Warrior
Partner with Virtus the Veiled (When this creature enters the battlefield, target player may put Virtus into their hand from their library, then shuffle.)
Vigilance
Gorm the Great must be blocked if able, and Gorm must be blocked by two or more creatures if able.
2 /
7
{4}{B}{B}
Grave Titan
Creature - Giant
Deathtouch
Whenever Grave Titan enters the battlefield or attacks, create two 2/2 black Zombie creature tokens.
6 /
6
{2}{G}{G}
Greater Good
Enchantment
Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.
{6}{R}
Hamletback Goliath
Creature - Giant Warrior
Whenever another creature enters the battlefield, you may put X +1/+1 counters on Hamletback Goliath, where X is that creature's power.
6 /
6
{6}{R}{R}
Hearthcage Giant
Creature - Giant Warrior
When Hearthcage Giant enters the battlefield, create two 3/1 red Elemental Shaman creature tokens.
Sacrifice an Elemental: Target Giant creature gets +3/+1 until end of turn.
5 /
5
{5}{G}{G}
Howling Giant
Creature - Giant Druid
Reach (This creature can block creatures with flying.)
When Howling Giant enters the battlefield, create two 2/2 green Wolf creature tokens.
5 /
5
{4}{R}{R}
Impelled Giant
Creature - Giant Warrior
Trample
Tap an untapped red creature you control other than Impelled Giant: Impelled Giant gets +X/+0 until end of turn, where X is the power of the creature tapped this way.
3 /
3
{4}{R}{R}
Inferno Titan
Creature - Giant
{R}: Inferno Titan gets +1/+0 until end of turn.
Whenever Inferno Titan enters the battlefield or attacks, it deals 3 damage divided as you choose among one, two, or three targets.
6 /
6
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{3}{W}{W}{W}
Jareth, Leonine Titan
Legendary Creature - Cat Giant
Whenever Jareth, Leonine Titan blocks, it gets +7/+7 until end of turn.
{W}: Jareth gains protection from the color of your choice until end of turn.
4 /
7
{1}{B}{G}
Journey to Eternity
Legendary Enchantment - Aura
Enchant creature you control
When enchanted creature dies, return it to the battlefield under your control, then return Journey to Eternity to the battlefield transformed under your control.
--
Atzal, Cave of Eternity
Legendary Land
(Transforms from Journey to Eternity.)
{T}: Add one mana of any color.
{3}{B}{G}, {T}: Return target creature card from your graveyard to the battlefield.
{4}{R}{R}
Kindred Charge
Sorcery
Choose a creature type. For each creature you control of the chosen type, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.
{3}{U}{U}
Kindred Discovery
Enchantment
As Kindred Discovery enters the battlefield, choose a creature type.
Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.
{5}{B}{B}
Kindred Dominance
Sorcery
Choose a creature type. Destroy all creatures that aren't of the chosen type.
{5}{G}{G}
Kindred Summons
Instant
Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.
{2}{G}
Kodama's Reach
Sorcery - Arcane
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{1}{G}
Life's Legacy
Sorcery
As an additional cost to cast this spell, sacrifice a creature.
Draw cards equal to the sacrificed creature's power.
--
Misty Rainforest
Land
{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.
{2}{G}{G}
Momentous Fall
Instant
As an additional cost to cast this spell, sacrifice a creature.
You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.
{7}
Morophon, the Boundless
Legendary Creature - Shapeshifter
Changeling (This card is every creature type.)
As Morophon, the Boundless enters the battlefield, choose a creature type.
Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay.
Other creatures you control of the chosen type get +1/+1.
6 /
6
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{4}{B}
Nightfire Giant
Creature - Zombie Giant
Nightfire Giant gets +1/+1 as long as you control a Mountain.
{4}{R}: Nightfire Giant deals 2 damage to any target.
4 /
3
{4}{W}{W}
Oathsworn Giant
Creature - Giant Soldier
Vigilance
Other creatures you control get +0/+2 and have vigilance.
3 /
4
{3}{W}{U}{B}
Oloro, Ageless Ascetic
Legendary Creature - Giant Soldier
At the beginning of your upkeep, you gain 2 life.
Whenever you gain life, you may pay {1}. If you do, draw a card and each opponent loses 1 life.
At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life.
4 /
5
--
Overgrown Tomb
Land - Swamp Forest
({T}: Add {B} or {G}.)
As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{4}
Panharmonicon
Artifact
If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
--
Path of Ancestry
Land
Path of Ancestry enters the battlefield tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{B}
Phyrexian Reclamation
Enchantment
{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
{5}{W}{W}
Quarry Colossus
Creature - Giant
When Quarry Colossus enters the battlefield, put target creature into its owner's library just beneath the top X cards of that library, where X is the number of Plains you control.
5 /
6
{2}{R}{R}
Ravenous Giant
Creature - Giant
At the beginning of your upkeep, Ravenous Giant deals 1 damage to you.
5 /
5
{1}{U}{R}{W}
Ruhan of the Fomori
Legendary Creature - Giant Warrior
At the beginning of combat on your turn, choose an opponent at random. Ruhan of the Fomori attacks that player this combat if able.
7 /
7
--
Sacred Foundry
Land - Mountain Plains
({T}: Add {R} or {W}.)
As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Scalding Tarn
Land
{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.
{4}{G}{G}
Seasons Past
Sorcery
Return any number of cards with different mana values from your graveyard to your hand. Put Seasons Past on the bottom of its owner's library.
{5}{W}
Sentinel of the Eternal Watch
Creature - Giant Soldier
Vigilance (Attacking doesn't cause this creature to tap.)
At the beginning of combat on each opponent's turn, tap target creature that player controls.
4 /
6
{3}{R}{R}
Siegebreaker Giant
Creature - Giant Warrior
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
{3}{R}: Target creature can't block this turn.
6 /
3
{5}{U}
Skaab Goliath
Creature - Zombie Giant
As an additional cost to cast this spell, exile two creature cards from your graveyard.
Trample
6 /
9
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
--
Steam Vents
Land - Island Mountain
({T}: Add {U} or {R}.)
As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Stomping Ground
Land - Mountain Forest
({T}: Add {R} or {G}.)
As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{3}{R}{R}
Stoneshock Giant
Creature - Giant
{6}{R}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Stoneshock Giant becomes monstrous, creatures without flying your opponents control can't block this turn.
5 /
4
{4}{W}{W}
Sun Titan
Creature - Giant
Vigilance
Whenever Sun Titan enters the battlefield or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.
6 /
6
{5}{R}
Sunrise Sovereign
Creature - Giant Warrior
Other Giant creatures you control get +2/+2 and have trample.
5 /
5
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{2}{G}{G}
Swarmborn Giant
Creature - Giant
When you're dealt combat damage, sacrifice Swarmborn Giant.
{4}{G}{G}: Monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous.)
As long as Swarmborn Giant is monstrous, it has reach.
6 /
6
{4}{R}{W}
Swathcutter Giant
Creature - Giant Soldier
Vigilance
Whenever Swathcutter Giant attacks, it deals 1 damage to each creature defending player controls.
5 /
5
{2}{R}
Taurean Mauler
Creature - Shapeshifter
Changeling (This card is every creature type.)
Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.
2 /
2
--
Temple Garden
Land - Forest Plains
({T}: Add {G} or {W}.)
As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{R}
Thud
Sorcery
As an additional cost to cast this spell, sacrifice a creature.
Thud deals damage equal to the sacrificed creature's power to any target.
{3}{R}{R}
Thundercloud Shaman
Creature - Giant Shaman
When Thundercloud Shaman enters the battlefield, it deals damage equal to the number of Giants you control to each non-Giant creature.
4 /
4
{5}{B}
Tithebearer Giant
Creature - Giant Warrior
When Tithebearer Giant enters the battlefield, you draw a card and you lose 1 life.
4 /
5
{4}{G}
Traverse the Outlands
Sorcery
Search your library for up to X basic land cards, where X is the greatest power among creatures you control. Put those cards onto the battlefield tapped, then shuffle.
{2}{R}{R}
Two-Headed Giant
Creature - Giant Warrior
Whenever Two-Headed Giant attacks, flip two coins. If both coins come up heads, Two-Headed Giant gains double strike until end of turn. If both coins come up tails, Two-Headed Giant gains menace until end of turn.
4 /
4
{B}
Vampiric Tutor
Instant
Search your library for a card, then shuffle and put that card on top. You lose 2 life.
--
Verdant Catacombs
Land
{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.
{3}{R}{R}
Warchief Giant
Creature - Giant Warrior
Haste
Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
5 /
3
--
Watery Grave
Land - Island Swamp
({T}: Add {U} or {B}.)
As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{5}{W}
Wayfaring Giant
Creature - Giant
Domain -- Wayfaring Giant gets +1/+1 for each basic land type among lands you control.
1 /
3
--
Windswept Heath
Land
{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.