Jace, the Mind Sculptor [Masters 25] Meld 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

When the last is removed

Set: Commander Anthology Type: Enchantment Uncommon Cost: {2}{R}{R} At the beginning of the end step

Set: Judge Gift Cards 2008 Type: Sorcery Rare Cost: {1}{G} You may choose a creature or land card you own from outside the game

Jace, the Mind Sculptor [Masters 25] Meld the player can activate manaSet: Masters 25 Type: Legendary Planeswalker Jace Mythic Cost: {2}{U}{U} +2: Look at the top card of target player's library. You may put that card on the bottom of that player's library. 0: Draw three cards, then put two cards from your hand on top of your library in any order. 1: Return target creature to its owner's hand. 12: Exile all cards from target player's library, then that player shuffles their hand into their library.