Bismuth Mindrender
From Modern Horizons 3 Commander set
Bismuth Mindrender
Creature — Eldrazi
4/3
Devoid (This card has no color.)
Menace
Whenever this creature deals combat damage to a player, that player exiles cards from the top of their library until they exile a nonland card. You may cast that card by paying life equal to the spell's mana value rather than paying its mana cost.