Ruvega, Zentuli Shepherd

Shroud
Creatures you control can't be blocked.
Player Damage Channler - When you play your first
card with Channler this game, choose a Channeler
Color. Whenever a creature you control of the chosen
color deals combat damage to a player, put a
Machination counter on Ruvega.
Remove three Machination counters from Ruvega:
Creatures you control gain shroud until end of
turn. Target player puts the top ten cards of his
or her library into his or her graveyard.