Aetherflux Reservoir (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Avatar attach this card from your

attach this card from your hand or field to it as Xyz Material

" —Whiskers

Set: Modern Horizons 2 Prerelease Promos Type: Artifact Creature — Assembly-Worker Rarity: Rare Cost: {3} If you would create a Clue

Whenever Uro enters the battlefield or attacks

Set: Modern Horizons 2 Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from green and from white

Aetherflux Reservoir (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Avatar attach this card from yourSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Mythic Cost: {4} Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target. "These estimates are conservative. Its true capacity may be far, far greater." Research notes, signature illegible