Killer Bees [Legends]Set: Legends Type: Creature Insect Rarity: Rare Cost: {1}{G}{G} Flying {G}: Killer Bees gets +1 +1 until end of turn. The communal mind produces a savage strategy, yet no one could predict that this vicious crossbreed would unravel the secret of steel.

If an opponent would begin an extra turn

Set: Champions of Kamigawa Type: Sorcery Rarity: Rare Cost: {G} Whenever you cast a creature spell this turn

So I says to young Angus

its owner loses half their life

Set: Aether Revolt Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {6} Whenever Gonti's Aether Heart or another artifact enters the battlefield under your control

" —Ajani Goldmane

Set: Alpha Edition Type: Enchantment — Aura Rarity: Common Cost: {U}{U} Enchant creature

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{B} Destroy target nonartifact

Whenever a creature an opponent controls with a -1/-1 counter on it dies

{T}: Voodoo Doll deals damage equal to the number of pin counters on it to any target

Whereas Mishra works in metals and stone

Whenever Infernal Medusa becomes blocked by a non-Wall creature