Adipose Offspring - Doctor Who #10

Adipose Offspring

Set: Doctor Who (WHO)
Collector Number: 10
Type: Creature — Alien
Rarity: Rare
Mana Value: 4.0

Emerge {5}{W} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When this creature enters, create a 2/2 white Alien creature token. If this creature's emerge cost was paid, instead create X of those tokens, where X is the sacrificed creature's toughness.