Aetherflux Reservoir (Schematic) (Serial Numbered) (BRR-065) - The Brothers' War Retro Artifacts Foil Condition:Heavily Played Whenever another artifact you control

Whenever another artifact you control with mana value 3 or greater enters

if you have a Supporter card with Holon in its name in play

put those counters on up to one target artifact or creature you control

including Rares and/or Mythics

Whenever Sauron attacks

Aetherflux Reservoir (Schematic) (Serial Numbered) (BRR-065) - The Brothers' War Retro Artifacts Foil Condition:Heavily Played Whenever another artifact you controlCasting Cost Card TypeArtifact RarityMythic ArtistYeong Hao Han Legalities NOT LEGAL Standard NOT LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator LEGAL Pioneer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh Whenever you cast a spell, you