Modern Horizons 2

Whenever you gain life, you may put that many +1/+1 counters on each creature you control. You may do this only once each turn.

Discard a card: You may cast a creature spell from your graveyard this turn. Activate only once each turn. Whenever a nontoken creature enters the ...

When Timeless Witness enters the battlefield, return target card from your graveyard to your hand. Eternalize {5}{G}{G} ({5}{G}{G}, Exile this card...

Whenever one or more +1/+1 counters are put on Herd Baloth, you may create a 4/4 green Beast creature token.

Flying Discard a card: Add {B}.

When Nested Shambler dies, create X tapped 1/1 green Squirrel creature tokens, where X is Nested Shambler's power.

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

When Drey Keeper enters the battlefield, create two 1/1 green Squirrel creature tokens. {3}{B}: Squirrels you control get +1/+0 and gain menace unt...

This spell costs {1} less to cast for each land your opponents control that could produce {C}. Flying When Obsidian Charmaw enters the battlefield,...

Modular 4 (This creature enters the battlefield with four +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact cre...

Flying

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Whenever an artifact enters the battlefield under your co...

When Nested Shambler dies, create X tapped 1/1 green Squirrel creature tokens, where X is Nested Shambler's power.

At the beginning of each player's upkeep, that player sacrifices an artifact, creature, or land.

Domain — Territorial Kavu's power and toughness are each equal to the number of basic land types among lands you control. Whenever Territorial Kavu...

Deathtouch When Vile Entomber enters the battlefield, search your library for a card, put that card into your graveyard, then shuffle.

Whenever one or more +1/+1 counters are put on Herd Baloth, you may create a 4/4 green Beast creature token.

Kicker {1} (You may pay an additional {1} as you cast this spell.) When Tide Shaper enters the battlefield, if it was kicked, target land becomes a...

Protection from black and from red When Sanctifier en-Vec enters the battlefield, exile all cards that are black and red from all graveyards. If a ...

Flying, vigilance Other nontoken creatures you control get +1/+1 and have vigilance.

Sacrifice Myr Scrapling: Put a +1/+1 counter on target creature.

Whenever you win a coin flip, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.") {1}, ...

When Breya's Apprentice enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying. {T}, Sacrifice an artifact: Cho...