Altar of Dementia (Retro Schematic) [The Brothers' War Retro Artifacts] Unknown Event

Altar of Dementia (Retro Schematic) [The Brothers' War Retro Artifacts] Unknown EventSet: 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

A numbered series of 500 copies of this card was found within the The Brothers' War Collector Booster product

a flying counter

Indestructible

they put half that many of each of those kinds of counters on that permanent or player instead

that many plus one +1/+1 counters are put on that permanent instead

you may return it to your hand

Pay 3 life: Proliferate

Set: Phyrexia: All Will Be One Prerelease Promos Type: Artifact Rarity: Rare Cost: {2}{G}{G} You may play lands from your graveyard

Set: Multiverse Legends Type: Legendary Creature — Human Shaman Rarity: Uncommon Cost: {B}{R} Whenever you sacrifice a permanent

Set: Secret Lair Drop Series Type: Creature — Human Wizard Rarity: Rare Cost: {2}{U} When Spellseeker enters the battlefield

primal might bucks against the yoke of hirearchy

Set: Phyrexia: All Will Be One Commander Type: Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +3/+0 and has trample and lifelink