Through the Breach (Invocation) [Amonkhet Invocations] Dragon Knight each player may attack only

each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent

you may put one card of that type into your hand

(Treat them and anything attached to them as though they don't exist until their controller's next turn

If you've completed a dungeon

though no heart beats within it

Through the Breach (Invocation) [Amonkhet Invocations] Dragon Knight each player may attack onlySet: 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.)