Memory Worm is a uncommon Creature — Alien Worm card from Doctor Who (WHO), collector number 90. Current market price: $0.40 (foil $1.19), TCGplayer market prices via Scryfall.
Paradox — Whenever you cast a spell from anywhere other than your hand, this creature deals 2 damage to target player. That player discards a card, then draws a card. Put a +1/+1 counter on this creature.