Letho of Gulet, Kingslayer

{1} Permanents your opponents control lose hexproof,
indestructible, protection, shroud,
and ward until end of turn.

Whenever a creature an opponent controls becomes
the target of a spell or ability you control,
put a bounty counter on that creature.

Whenever a creature with a bounty counter on it
dies, put two +1/+1 counters on Letho