Keyword: Soulshift

Sacrifice Burr Grafter: Target creature gets +2/+2 until end of turn.
Soulshift 3 (When this creature dies, you may return target Spirit card with converted mana cost 3 or less from your graveyard to your hand.)

Whenever you cast a Spirit or Arcane spell, target opponent loses 1 life and you gain 1 life.
Soulshift 2 (When this creature dies, you may return target Spirit card with converted mana cost 2 or less from your graveyard to your hand.)

Flying
Soulshift 3 (When this creature dies, you may return target Spirit card with converted mana cost 3 or less from your graveyard to your hand.)

Soulshift 7 (When this creature dies, you may return target Spirit card with converted mana cost 7 or less from your graveyard to your hand.)

Flying, first strike
Soulshift 5 (When this creature dies, you may return target Spirit card with converted mana cost 5 or less from your graveyard to your hand.)

Flying
Soulshift 4 (When this creature dies, you may return target Spirit card with converted mana cost 4 or less from your graveyard to your hand.)

Flying
, Sacrifice a Spirit: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate this ability only any time you could cast a sorcery.
Soulshift 4 (When this creature dies, you may return target Spirit card with converted mana cost 4 or less from your graveyard to your hand.)