Victor, Valgavoth's Seneschal (Duskmourn: House of Horror)

Legendary Creature Ñ Human Warlock - Eerie Ñ Whenever an enchantment you control enters and whenever you fully unlock a Room, surveil 2 if this is the first time this ability has resolved this turn. If it's the second time, each opponent discards a card. If it's the third time, put a creature card from a graveyard onto the battlefield under your control.