As Ancient Amphitheater enters the battlefield, you may reveal a Giant card from your hand. If you don't, Ancient Amphitheater enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{2}{R}
Arcbond
Instant
Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player.
{2}
Blade of Selves
Artifact - Equipment
Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Equip {4}
{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
{5}{R}{R}
Boldwyr Intimidator
Creature - Giant Warrior
Cowards can't block Warriors.
{R}: Target creature becomes a Coward until end of turn.
{2}{R}: Target creature becomes a Warrior until end of turn.
5 /
5
{5}{R}{R}
Borderland Behemoth
Creature - Giant Warrior
Trample
Borderland Behemoth gets +4/+4 for each other Giant you control.
4 /
4
{R}{W}
Boros Charm
Instant
Choose one --
• Boros Charm deals 4 damage to target player or planeswalker.
• Permanents you control gain indestructible until end of turn.
• Target creature gains double strike until end of turn.
{3}
Boros Cluestone
Artifact
{T}: Add {R} or {W}.
{R}{W}, {T}, Sacrifice Boros Cluestone: Draw a card.
--
Boros Garrison
Land
Boros Garrison enters the battlefield tapped.
When Boros Garrison enters the battlefield, return a land you control to its owner's hand.
{T}: Add {R}{W}.
{3}
Boros Locket
Artifact
{T}: Add {R} or {W}.
{R/W}{R/W}{R/W}{R/W}, {T}, Sacrifice Boros Locket: Draw two cards.
{2}
Boros Signet
Artifact
{1}, {T}: Add {R}{W}.
{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
--
Clifftop Retreat
Land
Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.
{T}: Add {R} or {W}.
--
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.
{2}{W}
Crib Swap
Tribal Instant - Shapeshifter
Changeling (This card is every creature type.)
Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.
{3}{W}
Crush Contraband
Instant
Choose one or both --
• Exile target artifact.
• Exile target enchantment.
{2}{W}{W}
Divine Reckoning
Sorcery
Each player chooses a creature they control. Destroy the rest.
Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
--
Emeria, the Sky Ruin
Land
Emeria, the Sky Ruin enters the battlefield tapped.
At the beginning of your upkeep, if you control seven or more Plains, you may return target creature card from your graveyard to the battlefield.
{T}: Add {W}.
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{R}
Faithless Looting
Sorcery
Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{1}{R}{R}
Feldon of the Third Path
Legendary Creature - Human Artificer
{2}{R}, {T}: Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.
2 /
3
{1}
Feldon's Cane
Artifact
{T}, Exile Feldon's Cane: Shuffle your graveyard into your library.
{2}{W}
Generous Gift
Instant
Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.
{2}{R}
Geomancer's Gambit
Sorcery
Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.
Draw a card.
{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
{5}
Gilded Lotus
Artifact
{T}: Add three mana of any one color.
{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
{X}{W}{W}
Heliod's Intervention
Instant
Choose one --
• Destroy X target artifacts and/or enchantments.
• Target player gains twice X life.
--
Homeward Path
Land
{T}: Add {C}.
{T}: Each player gains control of all creatures they own.
{1}{W}{ // }{3}{R}
Leave // Chance
Instant // Sorcery
Return any number of target permanents you own to your hand.
Aftermath (Cast this spell only from your graveyard. Then exile it.)
Discard any number of cards, then draw that many cards.
{R}{W}
Legion's Initiative
Enchantment
Red creatures you control get +1/+0.
White creatures you control get +0/+1.
{R}{W}, Exile Legion's Initiative: Exile all creatures you control. At the beginning of the next combat, return those cards to the battlefield under their owner's control and those creatures gain haste until end of turn.
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{3}
Loxodon Warhammer
Artifact - Equipment
Equipped creature gets +3/+0 and has trample and lifelink.
Equip {3}
{2}{W}
Make a Stand
Instant
Creatures you control get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)
{2}
Mask of Memory
Artifact - Equipment
Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{2}{R/W}{R/W}
Master Warcraft
Instant
Cast this spell only before attackers are declared.
You choose which creatures attack this turn.
You choose which creatures block this turn and how those creatures block.
{3}
Mimic Vat
Artifact
Imprint -- Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.
{3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
--
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}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Myriad Landscape
Land
Myriad Landscape enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
--
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}.)
--
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}.)
--
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}.)
--
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}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
{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
{4}
Quicksilver Amulet
Artifact
{4}, {T}: You may put a creature card from your hand onto the battlefield.
{5}{W}{W}{ // }{3}{W}{W}
Realm-Cloaked Giant // Cast Off
Creature - Giant // Sorcery - Adventure
Vigilance
Destroy all non-Giant creatures. (Then exile this card. You may cast the creature later from exile.)
7 /
7
{2}{W}{W}
Return to Dust
Instant
Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.
{4}{W}{W}{W}
Serra Avatar
Creature - Avatar
Serra Avatar's power and toughness are each equal to your life total.
When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.
* /
*
{1}
Shadowspear
Legendary Artifact - Equipment
Equipped creature gets +1/+1 and has trample and lifelink.
{1}: Permanents your opponents control lose hexproof and indestructible until end of turn.
Equip {2}
{3}{W}
Sigil of the New Dawn
Enchantment
Whenever a creature is put into your graveyard from the battlefield, you may pay {1}{W}. If you do, return that card to your hand.
--
Slayers' Stronghold
Land
{T}: Add {C}.
{R}{W}, {T}: Target creature gets +2/+0 and gains vigilance and haste until end of turn.
{3}{W}
Smothering Tithe
Enchantment
Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{3}{R}
Sneak Attack
Enchantment
{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{2}{R}
Stinkdrinker Daredevil
Creature - Goblin Rogue
Giant spells you cast cost {2} less to cast.
1 /
3
{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
--
Sunhome, Fortress of the Legion
Land
{T}: Add {C}.
{2}{R}{W}, {T}: Target creature gains double strike until end of turn.
{5}{R}
Sunrise Sovereign
Creature - Giant Warrior
Other Giant creatures you control get +2/+2 and have trample.
5 /
5
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
{2}
Talisman of Conviction
Artifact
{T}: Add {C}.
{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.
{4}{W}{W}
Terminus
Sorcery
Put all creatures on the bottom of their owners' libraries.
Miracle {W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{1}{R}
Thrill of Possibility
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards.
{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
{2}{W}
Unbreakable Formation
Instant
Creatures you control gain indestructible until end of turn.
Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.
{3}
Urza's Incubator
Artifact
As Urza's Incubator enters the battlefield, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.
{5}{R}{R}
Volcanic Vision
Sorcery
Return target instant or sorcery card from your graveyard to your hand. Volcanic Vision deals damage equal to that card's mana value to each creature your opponents control. Exile Volcanic Vision.
{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
{5}{R}
Warstorm Surge
Enchantment
Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.
{1}{R}{ // }{W}
Wear // Tear
Instant // Instant
Destroy target artifact.
Fuse (You may cast one or both halves of this card from your hand.)
Destroy target enchantment.
Fuse (You may cast one or both halves of this card from your hand.)
{4}
Well of Lost Dreams
Artifact
Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.