Search Elemental is a rare Creature — Elemental card from Mystery Booster 2 (MB2), collector number 535. Current market price: $0.18, TCGplayer market prices via Scryfall.
Whenever you search your library, scry 1. Scryfall — Whenever you scry, put a +1/+1 counter on Search Elemental. It can't be blocked this turn.