Sakashima's Student [Planechase Anthology] The Dark 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

Set: Alpha Edition Type: Creature — Giant Rarity: Common Cost: {3}{R} Fortunately

Set: Southern Islands Type: Grass Rarity: Promo Retreat cost: Colorless

and enchantments

Set: Platinum: Rising Rivals Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Sakashima's Student [Planechase Anthology] The Dark the player can activate manaSet: Planechase Anthology Type: Creature Human Ninja Rarity: Rare Cost: {2}{U}{U} Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) You may have Sakashima's Student enter the battlefield as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.