Glarb, Calamity's Augur is a mythic Legendary Creature — Frog Wizard Noble card from Bloomburrow (BLB), collector number 215. Current market price: $3.87 (foil $6.71), TCGplayer market prices via Scryfall.
Deathtouch You may look at the top card of your library any time. You may play lands and cast spells with mana value 4 or greater from the top of your library. {T}: Surveil 2.