Shardseer Ulna

+2: Choose a card type, then draw a card. If the drawn card matches the chosen card type, discard it.
-1: For each creature that died, non-creature spell that was cast, and card that was drawn this turn, add one mana of any color to your mana pool.
-7: Choose an instant or sorcery from your hand or graveyard. You may cast it and two other copies of it without paying their mana costs.