Mana Short [Limited Edition Beta] Cat Warrior 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

that player chooses a color

Set: Lorwyn Type: Artifact Rarity: Rare Cost: {3} You may activate abilities of creatures you control as though those creatures had haste

Beneath crashing waves lies an ocean of secrets waiting to be explored

At the academy

Mana Short [Limited Edition Beta] Cat Warrior the player can activate manaSet: Limited Edition Beta Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana.