Through the Breach (Invocation) [Amonkhet Invocations] Darksteel Mephidross filled with roars of

Mephidross filled with roars of fury and wails of despair as the leonin fought to keep their memories from being pulled into the mists

Set: Magic 2011 Type: Instant Rarity: Rare Cost: {W} Your opponents can't cast spells this turn

Set: Invasion Type: Artifact Rarity: Rare Cost: {2} When Tsabo's Web enters the battlefield

Set: Rivals of Ixalan Prerelease Promos Type: Legendary Creature — Elder Dinosaur Rarity: Rare Cost: {5}{U}{U} This spell can't be countered

Activate only during the end of combat step

Through the Breach (Invocation) [Amonkhet Invocations] Darksteel Mephidross filled with roars ofSet: Amonkhet Invocations Type: Instant Arcane Rarity: Mythic Cost: {4}{R} You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice that creature at the beginning of the next end step. Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)