Grim Raider

Wield 2 (When this creature enters the battlefield, you may exile an instant or sorcery spell from your hand with converted mana cost 2 or less. Whenever this creature deals combat damage to a player you may cast a copy of that spell without paying it's mana cost.)
Whenever Grim Raider deals combat damage to
a player you may return a card with converted mana cost equal to Grim Raider's power from your graveyard to your hand.