Malte, the Perfectionist Crab

Indestructible

{t}, Put a stun counter on Malte, the Perfectionist Crab: Draw the bottom card of each opponent’s library.

As long as Malte, the Perfectionist Crab has a stun counter on it, you may pay 1 life to add
one mana of any color. Spend this mana only
to cast spells owned by an opponent.