Chimecho (1/17) (Delta Species) [POP Series 4] 155 then repeats this process until

then repeats this process until a creature card or X cards have been put into their graveyard this way

Set: Alpha Edition Type: Creature — Skeleton Rarity: Common Cost: {1}{B} {B}: Regenerate Drudge Skeletons

Set: XY: BREAKthrough Type: Psychic Rarity: Secret Rare Retreat cost: Colorless

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: Judge Gift Cards 2010 Type: Sorcery Rarity: Rare Cost: {B}{B} Destroy target land

Chimecho (1/17) (Delta Species) [POP Series 4] 155 then repeats this process untilSet: POP Series 4 Type: Metal Rarity: Rare Retreat cost: Colorless