Snapcaster Mage [The List] Colorless The mischievous beast Otrimi dwells

The mischievous beast Otrimi dwells among the giant roots of Ikoria's largest swamp

and hexproof

Prismari: College of Elemental Arts

you may cast a Dragon creature spell from your graveyard

Set: Sword & Shield: Astral Radiance Type: Darkness Rarity: Ultra Rare Retreat cost: 0

Snapcaster Mage [The List] Colorless The mischievous beast Otrimi dwellsSet: The List Type: Creature Human Wizard Rarity: Rare Cost: {1}{U} Flash When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)