Vren, the Relentless [Bloomburrow]

Set: Bloomburrow Type: Legendary Creature — Rat Rogue Rarity: Rare Cost: {2}{U}{B} Ward {2}If a creature an opponent controls would die, exile it instead.At the beginning of each end step, create X 1/1 black Rat creature tokens with "This creature gets +1/+1 for each other Rat you control," where X is the number of creatures your opponents controlled that were exiled this turn.