Dystopia [Alliances] Pro Tour Collector Set sacrifice it unless you sacrifice

sacrifice it unless you sacrifice two Swamps

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {4} Nevinyrral's Disk enters the battlefield tapped

and blue and white

When Aura Thief dies

Set: Sun & Moon: Ultra Prism Type: Darkness Rarity: Holo Rare Retreat cost: Colorless

Dystopia [Alliances] Pro Tour Collector Set sacrifice it unless you sacrificeSet: Alliances Type: Enchantment Rarity: Rare Cost: {1}{B}{B} Cumulative upkeepPay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of each player's upkeep, that player sacrifices a green or white permanent.