Auspicious Starrix

Condition: Near Mint
Color: Green
Card Text: Mutate 5G (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, exile cards from the top of your library until you exile X permanent cards, where X is the number of times this creature has mutated. Put those cards onto the battlefield.
Rarity: U
Cost: 4G
Pow/Tgh: 6/6
Card Type: Creature - Elk Beast
Artist: Lucas Graciano
Name: Auspicious Starrix
Finish: Regular
Card Number: 144/274 
Set Name: Ikoria: Lair of Behemoths