sacrifice Serendib Djinn
Probably fine
Set: Kaladesh Inventions Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft — {T}: Add one mana of any color
Set: Onslaught Type: Creature — Beast Rarity: Rare Cost: {2}{G}{G} Sacrifice a Beast: You gain 4 life
Whenever a creature an opponent controls with a -1/-1 counter on it dies
Akroma, Vision of Ixidor (Etched) [Commander Legends] Welcome to Rathe sacrifice Serendib DjinnSet: Commander Legends Type: Legendary Creature Angel Rarity: Mythic Cost: {5}{W}{W} Flying, first strike, vigilance, trample At the beginning of each combat, until end of turn, each other creature you control gets +1 +1 if it has flying, +1 +1 if it has first strike, and so on for double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, vigilance, and partner. Partner