Snapcaster Mage [Ultimate Masters] XY91 If this card is on

If this card is on the field but "Skyscraper" is not on the field

so you get 12 in all

Set: Magic Origins Prerelease Promos Type: Creature — Hydra Rarity: Rare Cost: {2}{G} Trample

This card is sent to the Graveyard at the End Phase of the turn it was Summoned

you’ll find:

Snapcaster Mage [Ultimate Masters] XY91 If this card is onSet: Ultimate Masters Type: Creature Human Wizard Rarity: Mythic 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.)