Stairs to Infinity (Planes) [Promotional Planes] Hour of Devastation Promos Put one of them into

Put one of them into your hand and the other on the bottom of your library

If you control three or more artifacts

As Breeding Pool enters the battlefield

Set: Aether Revolt Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {6} Whenever Gonti's Aether Heart or another artifact enters the battlefield under your control

Set: Conspiracy Type: Artifact Creature — Construct Rarity: Rare Cost: {4} No more than one creature can attack each combat

Stairs to Infinity (Planes) [Promotional Planes] Hour of Devastation Promos Put one of them intoSet: Promotional Planes Type: Plane Xerex Rarity: Rare Players have no maximum hand size. Whenever you roll the planar die, draw a card. Whenever you roll {CHAOS}, reveal the top card of your planar deck. You may put it on the bottom of your planar deck.