Mishra's Factory (Preston Poulter) [Pro Tour Collector Set] BW83 the player can activate mana

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

River-Daughter from another target permanent you control onto Goldberry

Dromoka's followers forsake blood ties so that they may join a greater family

It is designed to evoke similar feelings to Scythe even though the mechanisms are different: Play cards to gain power

which change each game

Mishra's Factory (Preston Poulter) [Pro Tour Collector Set] BW83 the player can activate manaSet: Pro Tour Collector Set Type: Land Rarity: Uncommon {T}: Add {C}. {1}: Mishra's Factory becomes a 2 2 Assembly Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly Worker creature gets +1 +1 until end of turn.