Harnesser Thief

Deathtouch
Whenever a creature dealt damage by
Harnesser Thief this turn dies, its controller puts the top two cards of his or her library into his or her graveyard. Until end of turn, you may cast nonland cards put into a graveyard this way and you may spend mana as though it were mana of any color to cast them.
"Why buy what you can kill for?"