Card Name:
Lord Xander, the Collector
Types:
Legendary Creature — Vampire Demon Noble
Card Text:
When Lord Xander, the Collector enters the battlefield, target opponent discards half the cards in their hand, rounded down.
Whenever Lord Xander attacks, defending player mills half their library, rounded down.
When Lord Xander dies, target opponent sacrifices half the nonland permanents they control, rounded down.