Quote from DiscardUnearth »Blaackwaltz (but I think it should probably be a Gideon, and also have Gideon's damage prevention clause), netn10 (although I would add an additional cost/restriction to playing it from the graveyard)
Conditioned Ferocity 3G
Enchant Creature (U)
Enhance 2 (Whenever a permanent is enchanted by this card, put 2 enhancement counters on that permanent.)
Enchanted creature gets +1/+1 for each enhancement counter on it.
G: Return ~ to it's owner's hand.
Quote from bravelion83 »Votes: DiscardUnearth, void_nothing
Esper Confluence 3WUB
Choose three. You may choose the same mode more than once.
• Return target nonland permanent to its owner’s hand.
• Exile target creature with power 4 or greater.
• Target player sacrifices a creature.
Quote from netn10 »Votes: bravelion83, void_nothing
Veraska"s Bodyguards 2BG
Creature - Gorgon Assassin (Rare)
First strike, deathtouch, trample, vigilance.
Even Dimir assassins are afraid of the green glares near the undercity.
Quote from void_nothing »Votes: DiscardUnearth, bravelion83
Psyche Leech 3U
Creature - Nightmare Leech (U)
When Psyche Leech is put into a graveyard from anywhere, draw a card, then exile a card from your hand.
U, Sacrifice Psyche Leech: Counter target noncreature spell with converted mana cost 3 or less.
Quote from kwanyeegor »zemoo void
Arising Thunder 3RG
all creatures with flying have "T: this creature deals 1 damage to target creature without flying"
all creatures without flying have "T: this creature deals 1 damage to target creature with flying"