mtg copy ability cards Blue/Red/Green for stealing and copying opponents' cards Enchant enchantment You control enchanted enchantment. Steal Artifact · Fifth Edition

The partner pair is Cazur, Ruthless Stalker and Ukkima, Stalking Shadow

This also fits the shapeshifter creature type in MTG perfectly

4 Streets of New Capenna $158.60 Stunning Sights In the 20th-century-inspired city Streets of New Capenna, five demon crime families duke it out over the rulership of this once great holy city

Tarkir Dragonstorm D42750001-3 Commander Deck includes: 1 ready-to-play deck of 100 Magic cards 2 Traditional Foil Legendary cards 98 nonfoil cards 2-card Collector Booster Sample Pack 10 double-sided tokens 1 deck box (can hold 100 sleeved cards) 1 strategy insert 1 reference card

He does have "spider-altered DNA", does that count