Urza's Mine (Pulley Embedded in Stone) [Antiquities] Halfling Rogue Each creature you control has

Each creature you control has “Whenever a mana ability of this creature resolves

Set: Mystery Booster Sealed Release Date: 2020-03-13 The Mystery Booster is loaded with reprints from over forty previous Magic sets—but these reprints aren't exactly what today's Magic players are used to opening in their packs

You may cast the copies

As long as your devotion to green and white is less than seven

but his answer is always "no

Urza's Mine (Pulley Embedded in Stone) [Antiquities] Halfling Rogue Each creature you control hasSet: Antiquities Type: Land Urza's Mine Rarity: Uncommon {T}: Add {C}. If you control an Urza's Power Plant and an Urza's Tower, add {C}{C} instead. Mines became common as cities during the days of the artificers.