Satoshi

Shroud, haste
{t}, Create a 1/1 Pikachu token with deathtouch
and indestructible, and has "{t}, Sacrifice this
token. You may cast a creature card in exile with
Satoshi without paying it's mana cost. When that
creature dies, return Satoshi to the battlefield."
When a Pikachu enters the battlefield, it fights a
creature an opponent controls. If that creature
dies, exile that creature with Satoshi.