Frostboil Snarl (Extended Art) (Surge Foil) [Doctor Who] Promotional Schemes then you may put a

then you may put a land card from your hand onto the battlefield

The next spell they cast this turn has cascade

Set: Secret Lair Drop Series Type: Land Rarity: Rare The World Tree enters the battlefield tapped

equipped creature or a creature you control named Vecna gets +X/+X until end of turn

Set: The List Type: Legendary Creature — Phyrexian Praetor Rarity: Mythic Cost: {8}{U}{U} Flash

Frostboil Snarl (Extended Art) (Surge Foil) [Doctor Who] Promotional Schemes then you may put aSet: Doctor Who Type: Land Rarity: Rare As Frostboil Snarl enters the battlefield, you may reveal an Island or Mountain card from your hand. If you don't, Frostboil Snarl enters the battlefield tapped. {T}: Add {U} or {R}. "We're on the Thames. The last great Frost Fair. 1814, February the 4th." The Twelfth Doctor