Altar of Dementia (Retro Schematic) [The Brothers' War Retro Artifacts] ARC178-C the next attack action card

the next attack action card you play this turn gains +3 [Power]

you may play that card without paying its mana cost

Set: Jumpstart 2022 Type: Legendary Creature — Insect Rarity: Rare Cost: {3}{G}{G} You may play lands and cast Insect spells from your graveyard

you'll find:

Altar of Dementia (Retro Schematic) [The Brothers' War Retro Artifacts] ARC178-C the next attack action cardSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Mythic Cost: {2} Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power. My dreams have brought more visions from our master: an altar, exquisite and perfect. We must build it at once. Writings of Artonac, priest of Gix