Ritualist Raider

As Ritualist Raider enters the battlefield, you may
pay {b}. If you do, create a 1/1 black bird creature
token with flying and possessed.
Possessed(Whenever you discard a card or lose life,
this creature becomes indestructible until the end of
your next turn.)
Whenever Ritualist Raider attacks, Possessed
creatures you control gain: "Whenever this
creature deals combat damage to a creature, it's
controller discards a card. Whenever this creature
deals damage to a player, you lose 1