Exquisite Archangel | Creature | Angel | Flying
If you would lose the game, instead exile Exquisite Archangel and your life total becomes equal to your starting life total. | Brad Rigney
Herald of Anguish | Creature | Demon | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Flying
At the beginning of your end step, each opponent discards a card.
{1}{B}, Sacrifice an artifact: Target creature gets -2/-2 until end of turn. | Vincent Proce
Aetherwind Basker | Creature | Lizard | Trample
Whenever Aetherwind Basker enters the battlefield or attacks, you get {E} (an energy counter) for each creature you control.
Pay {E}: Aetherwind Basker gets +1/+1 until end of turn. | Svetlin Velinov