Collectors appreciate it as one of the Pokmon Twilight Masquerade good cards for sentimental and display value, making it a must-have for Eevee and Greninja fans looking to complete their lineup
Ice Fusion (As an additional cost to play Aether Icevein, you may reveal an Ice card from your hand.) Deal 3 arcane damage to any target
Batterskulls living weapon ability has allowed it to serve as a finisher for control decks in Modern and Cube, and its also useful in equipment-focused Commander decks
It has indestructible itself, meaning once it's on the battlefield, exiling is one of the only ways your opponents can get rid of your permanents
The only real cost is that you need to feed Contamination by sacrificing a creature during your upkeep to keep the effect going
If you care for some nostalgia feels, crack one of these open