Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)

Creatures your opponents control enter tapped.

At the beginning of your upkeep, look at the top card of your library. If it's a land card, you may put it onto the battlefield.

+1: Draw a card. Target player mills a card.

0: Target player mills ten cards.

−7: Any number of target players each draw twenty cards.

Trample

Kalonian Hydra enters with four +1/+1 counters on it.

Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control.

Lava Axe deals 5 damage to target player or planeswalker.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

When Lifebane Zombie enters, target opponent reveals their hand. You choose a green or white creature card from it and exile that card.

+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.

−3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control.

−6: You get an emblem with "Swamps you control have ‘: Add .'"

Destroy target creature. Add .

Marauding Maulhorn attacks each combat if able unless you control a creature named Advocate of the Beast.

Whenever Master of Diversion attacks, tap target creature defending player controls.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Merfolk Spy deals combat damage to a player, that player reveals a card at random from their hand.

, : Target player mills two cards.

First strike (This creature deals combat damage before creatures without first strike.)

Whenever an opponent casts a white or blue instant or sorcery spell, this creature deals 2 damage to that player.

Create two 1/1 red Elemental creature tokens, then flip a coin. If you win the flip, return Molten Birth to its owner's hand.

: Add .

: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

Counter target noncreature spell.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Nightmare's power and toughness are each equal to the number of Swamps you control.

Whenever Oath of the Ancient Wood or another enchantment you control enters, you may put a +1/+1 counter on target creature.

Target player draws four cards.

As long as your life total is greater than or equal to your starting life total, creatures you control get +1/+1.

Whenever one or more creatures you control attack, you gain life equal to the number of attacking creatures.

Phantom Warrior can't be blocked.

When Pitchburn Devils dies, it deals 3 damage to any target.

Destroy all nonland permanents.

Sliver creatures you control get +1/+1.

If a red instant or sorcery spell you control or a red planeswalker you control would deal damage to a permanent or player, it deals that much damage plus 2 to that permanent or player instead.

The next sorcery spell you cast this turn can be cast as though it had flash. (It can be cast any time you could cast an instant.)

Draw a card.

: Put a charge counter on Ratchet Bomb.

, Sacrifice Ratchet Bomb: Destroy each nonland permanent with mana value equal to the number of charge counters on Ratchet Bomb.

Ring of Three Wishes enters with three wish counters on it.

, , Remove a wish counter from Ring of Three Wishes: Search your library for a card, put that card into your hand, then shuffle.

, : Rod of Ruin deals 1 damage to any target.

This spell can't be countered.

The next creature spell you cast this turn can be cast as though it had flash. That spell can't be countered. That creature enters with an additional +1/+1 counter on it.

Flying

Whenever Scourge of Valkas or another Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control.

: Scourge of Valkas gets +1/+0 until end of turn.

Flying

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.

Sliver creatures you control have vigilance. (Attacking doesn't cause them to tap.)

Flying

Vigilance (Attacking doesn't cause this creature to tap.)

Flying

When Shadowborn Demon enters, destroy target non-Demon creature.

At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature.

Flying

: This creature gets +1/+0 until end of turn.

Shock deals 2 damage to any target.

All creatures get -1/-1 until end of turn.

Your opponents can't cast spells this turn.

Destroy target artifact.

: You gain 1 life.

Landfall — Whenever a land you control enters, create a 1/1 green Saproling creature token.

Whenever you cast a red spell or a Mountain you control enters, you gain 1 life.

Whenever you cast a white spell or a Plains you control enters, you gain 1 life.

Sliver creatures you control get +0/+1.

Sliver creatures you control have first strike. (They deal combat damage before creatures without first strike.)

Flying