Increasing Confusion [Dark Ascension] Portal Three Kingdoms These mighty bulwarks thwart ground-based

These mighty bulwarks thwart ground-based troops

When Goblin Boom Keg is put into a graveyard from the battlefield

Set: Ixalan Type: Artifact Rarity: Uncommon Cost: {1} When Sentinel Totem enters the battlefield

Tolarian Academy

Increasing Confusion [Dark Ascension] Portal Three Kingdoms These mighty bulwarks thwart ground-basedSet: Dark Ascension Type: Sorcery Rare Cost: {X}{U} Target player puts the top X cards of their library into their graveyard. If this spell was cast from a graveyard, that player puts twice that many cards into their graveyard instead. Flashback {X}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)