Swords to Plowshares (Surge Foil) [Doctor Who] Shapeshifter Ally Whenever a player casts a

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void

Then they may look at the top card of their library and may wrap it

or enchantment

Set: Ponies: The Galloping Type: Legendary Creature — Unicorn Rarity: Mythic Cost: {1}{W}{U} Rare and mythic rare spells you cast cost {1} less to cast

exile it instead of putting it into its owner's graveyard

Swords to Plowshares (Surge Foil) [Doctor Who] Shapeshifter Ally Whenever a player casts aSet: Doctor Who Type: Instant Rarity: Uncommon Cost: {W} Exile target creature. Its controller gains life equal to its power. "So that's what it means to be a Doctor of War." The First Doctor