Vren, the Relentless{2}{U}{B}
Legendary Creature — Rat Rogue
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 that were exiled under your opponents' control this turn.
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Artist: Kevin Sidharta