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Players can't gain life. At the beginning of each player's upkeep, that player loses half their life, rounded up.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

Mizzium Mortars deals 4 damage to target creature you don't control. Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you d...

Mana Bloom enters the battlefield with X charge counters on it. Remove a charge counter from Mana Bloom: Add one mana of any color. Activate this a...

Enchant land Enchanted land has "{T}, Pay 1 life: Draw a card."

This spell can't be countered. Counter target spell you don't control. Overload {1}{U}{U}{R} (You may cast this spell for its overload cost. If you...

Destroy target creature or planeswalker.

Pack Rat's power and toughness are each equal to the number of Rats you control. {2}{B}, Discard a card: Create a token that's a copy of Pack Rat.

Whenever a creature you don't control dies, return it to the battlefield under your control with an additional +1/+1 counter on it at the beginning...

Trample Discard a creature card: Put a +1/+1 counter on Lotleth Troll. {B}: Regenerate Lotleth Troll.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

Whenever Wild Beastmaster attacks, each other creature you control gets +X/+X until end of turn, where X is Wild Beastmaster's power.

Enchant land Enchanted land has "{T}, Pay 1 life: Draw a card."

Flying Whenever Archon of the Triumvirate attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those...

Scavenge {4}{G}{G} ({4}{G}{G}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. S...

First strike, haste Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1...

Enchant creature Enchanted creature gets +1/+1 for each card in its controller's hand. At the beginning of the draw step of enchanted creature's co...

This spell can't be countered. Choose a nonland card name. Search target opponent's graveyard, hand, and library for any number of cards with that ...

Exile an instant or sorcery spell you control: Put two +1/+1 counters on Nivmagus Elemental. (That spell won't resolve.)

At the beginning of your upkeep, target opponent reveals the top three cards of their library, may put a creature card from among them onto the bat...

First strike, haste Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 ...

First strike Whenever Precinct Captain deals combat damage to a player, create a 1/1 white Soldier creature token.

Creatures you control get +3/+3.

{U}, {T}: Draw two cards. {R}, {T}, Discard a card: Mercurial Chemister deals damage to target creature equal to the discarded card's converted man...