Mirrorpool [Oath of the Gatewatch Prerelease Promos] Psychic Gravestorm (When you cast this

Gravestorm (When you cast this spell

then put that card onto the battlefield if it has the same name as a permanent

When a Normal Trap Card is activated (Quick Effect): You can pay 1000 LP

Undergrowth — When you cast this spell

or monsters

Mirrorpool [Oath of the Gatewatch Prerelease Promos] Psychic Gravestorm (When you cast thisSet: Oath of the Gatewatch Prerelease Promos Type: Land Rarity: Mythic Mirrorpool enters the battlefield tapped. {T}: Add {C}. {2}{C}, {T}, Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}{C}, {T}, Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.