Mikaeus, the Unhallowed [Ultimate Masters]Set: Ultimate Masters Type: Legendary Creature Zombie Cleric Rarity: Mythic Cost: {3}{B}{B}{B} Intimidate (This creature can't be blocked except by artifact creatures and or creatures that share a color with it.) Whenever a Human deals damage to you, destroy it. Other non Human creatures you control get +1 +1 and have undying. (When a creature with undying dies, if it had no +1 +1 counters on it, return it to the battlefield under its owner's control

And you thought that was just an urban legend

Set: Commander 2013 Type: Enchantment Rarity: Uncommon Cost: {2}{G} Whenever a creature dies

Set: XY: BREAKpoint Type: Fairy Rarity: Common Retreat cost: Colorless

target creature gets -1/-1 until end of turn

destroy the creature with the least power

you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control

Set: Apocalypse Type: Creature — Merfolk Warrior Rarity: Rare Cost: {2}{U} When Whirlpool Warrior enters the battlefield

Set: Rivals of Ixalan Type: Artifact Creature — Golem Rarity: Rare Cost: {4} Defender

−3: Gain control of target creature until end of turn

it deals that much damage to target opponent or planeswalker

Set: Commander 2017 Type: Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature has deathtouch

I didn't think I'd be dusting them off to use against angels