Nulldrifter is a rare Creature — Eldrazi Elemental card from Modern Horizons 3 (MH3), collector number 388. Current market price: $1.36 (foil $3.67), TCGplayer market prices via Scryfall.
When you cast this spell, draw two cards. Flying Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.) Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)