Battlebond

Enchant creature Enchanted creature gets +2/+2, has flying, and is a Demon in addition to its other types. When Inner Demon enters the battlefield,...

Assist (Another player can pay up to {X} of this spell's cost. You choose the value of X.) Destroy target creature with power X or less.

Assist (Another player can pay up to {3} of this spell's cost.) {2}: Fan Favorite gets +1/+1 until end of turn. Any player may activate this ability.

Assist (Another player can pay up to {5} of this spell's cost.) When Bloodborn Scoundrels enters the battlefield, target opponent loses 2 life and...

Flying Your opponents can't gain life. At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. ...

Partner with Regna, the Redeemer (When this creature enters the battlefield, target player may put Regna into their hand from their library, then s...

Flying Urborg Drake attacks each combat if able.

You may have Evil Twin enter the battlefield as a copy of any creature on the battlefield, except it has "{U}{B}, {T}: Destroy target creature with...

When Dinrova Horror enters the battlefield, return target permanent to its owner's hand, then that player discards a card.

When Tenacious Dead dies, you may pay {1}{B}. If you do, return it to the battlefield tapped under its owner's control.

Flying Swarm of Bloodflies enters the battlefield with two +1/+1 counters on it. Whenever another creature dies, put a +1/+1 counter on Swarm of Bl...

When Slum Reaper enters the battlefield, each player sacrifices a creature.

Shambling Ghoul enters the battlefield tapped.

Flying When Screeching Buzzard dies, each opponent discards a card.

Target player draws two cards and loses 2 life.

As Nyxathid enters the battlefield, choose an opponent. Nyxathid gets -1/-1 for each card in the chosen player's hand.

Flying When Noxious Dragon dies, you may destroy target creature with mana value 3 or less.

Noosegraf Mob enters the battlefield with five +1/+1 counters on it. Whenever a player casts a spell, remove a +1/+1 counter from Noosegraf Mob. If...

Whenever you tap a Swamp for mana, add an additional {B}. {B}: Nirkana Revenant gets +1/+1 until end of turn.

Destroy target creature. Add {B}{B}{B}.

Target creature gets -3/-3 until end of turn.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Eyeblight Assassin enters the battlefield, target creature an opponent controls gets -1/-1 until end of turn.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.