Conversion [Beta Edition] Commander 2014 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

and white at the beginning of your next upkeep

Set: Promotional Schemes Type: Scheme Rarity: Rare When you set this scheme in motion

draw seven cards

that player sacrifices it

Conversion [Beta Edition] Commander 2014 the player can activate manaSet: Beta Edition Type: Enchantment Rarity: Uncommon Cost: {2}{W}{W} At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}. All Mountains are Plains.