Lotus, Tenno Overseer

Indestructible, affinity for artifacts, flying.
Eminence - Artifact creatures you control cost 2
less to cast. Warframe creatures gain +1/+1.
Whenever an artifact an opponent controls enters
a graveyard, exile it instead with a void counter.
Sacrifice an artifact you control: place a card exiled
with a void counter on it onto the battlefield under
your control without paying it's mana cost.