Prowler, Clawed Thief {1}{U}{B}
Legendary Creature — Human Rogue Villain
Menace (This creature can't be blocked except by two or more creatures.)
Whenever another Villain you control enters, Prowler connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)
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Baron Strucker, HYDRA Overlord 87%
$0.23#11811
"Whenever another Villain you control enters, you may have it connive. Do this only once each turn."