Through the Breach [Amonkhet Invocations] Leveler "O to be a dragon

"O to be a dragon

−3: Target creature gets +X/+X or -X/-X until end of turn

but few can endure the ringing of the spires

Planeswalker deals 7 damage to target player or planeswalker

Through the Breach [Amonkhet Invocations] Leveler "O to be a dragonSet: Amonkhet Invocations Type: Instant Arcane 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.)