Put a +1/+1 counter on target creature you control if it's legendary. Then it fights target creature an opponent controls. (Each deals damage equal to its power to the other.)
{5}{R}{R}
Angrath's Marauders
Creature - Human Pirate
If a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
4 /
4
{2}{B/R}{B/R}
Angrath, Captain of Chaos
Legendary Planeswalker - Angrath
Creatures you control have menace.
-2: Amass 2. (Put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
L:
5
{2}{G}
Animist's Might
Sorcery
This spell costs {2} less to cast if it targets a legendary creature you control.
Target creature you control deals damage equal to twice its power to target creature or planeswalker you don't control.
{2}{R}{G}
Anzrag, the Quake-Mole
Legendary Creature - Mole God
Whenever Anzrag, the Quake-Mole becomes blocked, untap each creature you control. After this phase, there is an additional combat phase.
{3}{R}{R}{G}{G}: Anzrag must be blocked each combat this turn if able.
8 /
4
{R}{G}
Arni Slays the Troll
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I -- Target creature you control fights up to one target creature you don't control.
II -- Add {R}. Put two +1/+1 counters on up to one target creature you control.
III -- You gain life equal to the greatest power among creatures you control.
{1}
Basilisk Collar
Artifact - Equipment
Equipped creature has deathtouch and lifelink.
Equip {2}
{2}{G}{G}
Bear Umbra
Enchantment - Aura
Enchant creature
Enchanted creature gets +2/+2 and has "Whenever this creature attacks, untap all lands you control."
Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
{8}{R}
Blasphemous Act
Sorcery
This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.
--
Bloodfell Caves
Land
Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}.
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
{1}{G}
Boxing Ring
Artifact
Whenever a creature enters the battlefield under your control, it fights up to one target creature you don't control with the same mana value.
{T}: Create a Treasure token. Activate only if you control a creature that fought this turn.
{3}{G}
Brawn
Creature - Incarnation
Trample
As long as Brawn is in your graveyard and you control a Forest, creatures you control have trample.
3 /
3
{G}
Bushwhack
Sorcery
Choose one --
• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
• Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)
--
Cinder Barrens
Land
Cinder Barrens enters the battlefield tapped.
{T}: Add {B} or {R}.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{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.
{2}
Dolmen Gate
Artifact
Prevent all combat damage that would be dealt to attacking creatures you control.
{1}{R}{G}
Domri, Anarch of Bolas
Legendary Planeswalker - Domri
Creatures you control get +1/+0.
+1: Add {R} or {G}. Creature spells you cast this turn can't be countered.
-2: Target creature you control fights target creature you don't control.
L:
3
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
--
Exotic Orchard
Land
{T}: Add one mana of any color that a land an opponent controls could produce.
{2}{B}
Falthis, Shadowcat Familiar
Legendary Creature - Nightmare Cat
Commanders you control have menace and deathtouch.
Partner (You can have two commanders if both have partner.)
2 /
2
{1}{R}
Fiendlash
Artifact - Equipment
Equipped creature gets +2/+0 and has reach.
Whenever equipped creature is dealt damage, it deals damage equal to its power to target player or planeswalker.
Equip {2}{R}
{2}{G}
Fight Rigging
Enchantment
Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.)
At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. Then if you control a creature with power 7 or greater, you may play the exiled card without paying its mana cost.
{2}{G}
Garruk's Uprising
Enchantment
When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card.
Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.)
Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.
{2}{R}{G}
General Marhault Elsdragon
Legendary Creature - Elf Warrior
Whenever a creature you control becomes blocked, it gets +3/+3 until end of turn for each creature blocking it.
4 /
4
{R}{G}
Goblin Anarchomancer
Creature - Goblin Shaman
Each spell you cast that's red or green costs {1} less to cast.
2 /
2
--
Golgari Guildgate
Land - Gate
Golgari Guildgate enters the battlefield tapped.
{T}: Add {B} or {G}.
--
Golgari Rot Farm
Land
Golgari Rot Farm enters the battlefield tapped.
When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand.
{T}: Add {B}{G}.
{3}{G}
Goreclaw, Terror of Qal Sisma
Legendary Creature - Bear
Creature spells you cast with power 4 or greater cost {2} less to cast.
Whenever Goreclaw, Terror of Qal Sisma attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.
4 /
3
--
Gruul Guildgate
Land - Gate
Gruul Guildgate enters the battlefield tapped.
{T}: Add {R} or {G}.
{2}
Gruul Signet
Artifact
{1}, {T}: Add {R}{G}.
--
Gruul Turf
Land
Gruul Turf enters the battlefield tapped.
When Gruul Turf enters the battlefield, return a land you control to its owner's hand.
{T}: Add {R}{G}.
{3}
Haunted Cloak
Artifact - Equipment
Equipped creature has vigilance, trample, and haste.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{3}{G}
Hunter's Mark
Instant
This spell costs {3} less to cast if it targets a blue permanent you don't control.
This spell can't be countered.
Target creature you control gets +1/+1 until end of turn. Then it deals damage equal to its power to target creature or planeswalker you don't control.
{1}
Infiltration Lens
Artifact - Equipment
Whenever equipped creature becomes blocked by a creature, you may draw two cards.
Equip {1}
{1}{G}
Inscription of Abundance
Instant
Kicker {2}{G}
Choose one. If this spell was kicked, choose any number instead.
• Put two +1/+1 counters on target creature.
• Target player gains X life, where X is the greatest power among creatures they control.
• Target creature you control fights target creature you don't control.
{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.
{3}{G}{G}{G}
Kogla, the Titan Ape
Legendary Creature - Ape
When Kogla, the Titan Ape enters the battlefield, it fights up to one target creature you don't control.
Whenever Kogla attacks, destroy target artifact or enchantment defending player controls.
{1}{G}: Return target Human you control to its owner's hand. Kogla gains indestructible until end of turn.
7 /
6
{1}{R}
Lizard Blades
Artifact Creature - Equipment Lizard
Double strike
Equipped creature has double strike.
Reconfigure {2} ({2}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)
1 /
1
{1}{G}{G}
Lure
Enchantment - Aura
Enchant creature
All creatures able to block enchanted creature do so.
{2}{B}{R}{G}
Maarika, Brutal Gladiator
Legendary Creature - Human Warrior
Maarika, Brutal Gladiator must be blocked if able.
As long as it's your turn, Maarika has indestructible.
Whenever Maarika deals damage to a creature, if that creature was dealt excess damage this turn, that creature's controller sacrifices a noncreature, nonland permanent.
7 /
4
{1}{R}{G}
Mage Slayer
Artifact - Equipment
Whenever equipped creature attacks, it deals damage equal to its power to the player or planeswalker it's attacking.
Equip {3}
{1}{B}{R}{G}
Mr. Orfeo, the Boulder
Legendary Creature - Rhino Warrior
Whenever you attack, double target creature's power until end of turn.
2 /
4
{1}{R/G}
Pit Fight
Instant
Target creature you control fights another target creature. (Each deals damage equal to its power to the other.)
{G}
Prey Upon
Sorcery
Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)
{1}{G}
Prizefight
Instant
Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)
Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
--
Rakdos Carnarium
Land
Rakdos Carnarium enters the battlefield tapped.
When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.
{T}: Add {B}{R}.
--
Rakdos Guildgate
Land - Gate
Rakdos Guildgate enters the battlefield tapped.
{T}: Add {B} or {R}.
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
{1}{R}{G}
Rhythm of the Wild
Enchantment
Creature spells you control can't be countered.
Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)
--
Rootbound Crag
Land
Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest.
{T}: Add {R} or {G}.
{2}{B}
Shakedown Heavy
Creature - Ogre Warrior
Menace
Whenever Shakedown Heavy attacks, defending player may have you draw a card. If they do, untap Shakedown Heavy and remove it from combat.
6 /
4
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{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}
{G}
Tail Swipe
Instant
Choose target creature you control and target creature you don't control. If you cast this spell during your main phase, the creature you control gets +1/+1 until end of turn. Then those creatures fight each other. (Each deals damage equal to its power to the other.)
{G}
Tamiyo's Safekeeping
Instant
Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)
--
Temple of Abandon
Land
Temple of Abandon enters the battlefield tapped.
When Temple of Abandon enters the battlefield, scry 1.
{T}: Add {R} or {G}.
--
Temple of Malady
Land
Temple of Malady enters the battlefield tapped.
When Temple of Malady enters the battlefield, scry 1.
{T}: Add {B} or {G}.
--
Temple of Malice
Land
Temple of Malice enters the battlefield tapped.
When Temple of Malice enters the battlefield, scry 1.
{T}: Add {B} or {R}.
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.
{3}{B}{B}
Tergrid, God of Fright
Legendary Creature - God
Menace
Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control.
4 /
5
--
Tergrid's Lantern
Legendary Artifact
{T}: Target player loses 3 life unless they sacrifice a nonland permanent or discard a card.
{3}{B}: Untap Tergrid's Lantern.
4 /
5
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{2}{R}{R}
Toralf, God of Fury
Legendary Creature - God
Trample
Whenever a creature or planeswalker an opponent controls is dealt excess noncombat damage, Toralf deals damage equal to the excess to any target other than that permanent.
5 /
4
--
Toralf's Hammer
Legendary Artifact - Equipment
Equipped creature has "{1}{R}, {T}, Unattach Toralf's Hammer: It deals 3 damage to any target. Return Toralf's Hammer to its owner's hand."
Equipped creature gets +3/+0 as long as it's legendary.
Equip {1}{R}
5 /
4
{G}
Ulvenwald Tracker
Creature - Human Shaman
{1}{G}, {T}: Target creature you control fights another target creature.
1 /
1
--
Woodland Cemetery
Land
Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest.
{T}: Add {B} or {G}.
{3}{R}{G}
Xenagos, God of Revels
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to red and green is less than seven, Xenagos isn't a creature.
At the beginning of combat on your turn, another target creature you control gains haste and gets +X/+X until end of turn, where X is that creature's power.
6 /
5
{5}{G}{G}
Zopandrel, Hunger Dominus
Legendary Creature - Phyrexian Horror
Reach
At the beginning of each combat, double the power and toughness of each creature you control until end of turn.
{G/P}{G/P}, Sacrifice two other creatures: Put an indestructible counter on Zopandrel, Hunger Dominus. ({G/P} can be paid with either {G} or 2 life.)