BBRR 5/5 rare legendary dragon scorpion rogue

Flample (flying, trample).
Sac 3 creatures: put a creature card from your hand onto the battlefield. Activate at sorcery speed, and only once per turn.

Kinda underwhelming, despite the somewhat unique ability. Still, 5/5 flample for 4 is very good.

Edit: totally assumed the card was mythic, that'll teach me to post when I'm tired. This is much more influential in limited then.