Skullwinder - [Foil] The List (PLIST) TOP500 Threshold — Metamorphic Wurm gets

Threshold — Metamorphic Wurm gets +4/+4 as long as seven or more cards are in your graveyard

Shuffle Elixir of Immortality and your graveyard into their owner's library

Creature cards in graveyards and libraries can't enter the battlefield

Whenever an opponent casts a spell from anywhere other than their hand

(It deals damage to creatures in the form of -1/-1 counters

Skullwinder - [Foil] The List (PLIST) TOP500 Threshold — Metamorphic Wurm getsDeathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When Skullwinder enters the battlefield, return target card from your graveyard to your hand, then choose an opponent. That player returns a card from their graveyard to their hand.