mtg sacrifice an artifact draw a card Implement of Examination Attach to target creature you control Saw (DSK-254) - [Duskmourn: House

Sin Collector Rather than discarding, youre exiling the card that you choose with Sin Collector

This means that if youve got a card that has an effect whenever an angel enters the battlefield, you can cast a Goblin and itll trigger it

While 30.0% is a strong return, it is not necessary the net return for selling booster boxes

Regardless, I quite like The Regalia

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Whenever this creature attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures