COBRA Commander

Whenever you cast an artifact spell each opponent
loses 1 life and you draw a card.
Sacrifice a non-legendary artifact: Cobra
Commander gains Indestructible until end of turn.

COBRA Retreeaaattttt! -
{4}{t}: Untap up to three target attacking legendary
creature cards or vehicles and remove them from
combat, play only after blockers are declared
and only once each turn.