Super mardi

At the beginning of your upkeep, put a -1/-1 counter on Magmaroth. Whenever you cast a noncreature spell, remove a -1/-1 counter from Magmaroth.

Until end of turn, creatures you control gain "When this creature dies, it deals 2 damage to target creature an opponent controls."

As an additional cost to cast this spell, you may reveal a Dragon card from your hand. Target player sacrifices a creature. If you revealed a Drago...

Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors ...

All creatures get -2/-2 until end of turn. Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness co...

When Sin Collector enters the battlefield, target opponent reveals their hand. You choose an instant or sorcery card from it and exile that card.

Menace (This creature can't be blocked except by two or more creatures.)

Whenever you cast a multicolored spell, Pyroconvergence deals 2 damage to any target.

{1}, Discard a card: Create a 1/1 black Vampire Knight creature token with lifelink. Activate only once each turn.

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) Manticore Eternal attacks each combat if able.

As an additional cost to cast this spell, discard a card and sacrifice a creature. Two target creatures each get -13/-13 until end of turn.

Enchant land Enchanted land has "{T}: Target creature gains haste until end of turn."

At the beginning of your upkeep, each player discards a card. Each opponent who discarded a card that shares a card type with the card you discarde...

Whenever you gain life, put a +1/+1 counter on Bloodbond Vampire.

{T}: Draw two cards. Target opponent gains control of Humble Defector. Activate only during your turn.

Bestow {2}{R} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attache...

Burn Away deals 6 damage to target creature. When that creature dies this turn, exile its controller's graveyard.

As long as you control a green or blue permanent, you may cast Hungering Yeti as though it had flash. (You may cast it any time you could cast an i...

At the beginning of your upkeep, return a creature you control to its owner's hand.

As an additional cost to cast this spell, return a land you control to its owner's hand. Devour in Flames deals 5 damage to target creature or pla...

Pinnacle of Rage deals 3 damage to each of two targets.

Whenever you cycle or discard a card, you may pay {1}. If you do, put a -1/-1 counter on target creature.

Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player or planeswalker.

Fabricate 2 (When this creature enters the battlefield, put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens.)