Teaching also isn't a crime, as choosing an opponent to copy via the Demonstrate ability doesn't count as a crime for the purpose of "targeting opponents", but Excavation Technique can still commit a crime if you target an opponent's nonland permanent
An extra turn and a bit of tempo are a nasty combination
Homunculus Horde This alliteratively titled four-drop Blue rare is next
Look at Red Haired Shanks leader from the ninth set, Emperors in the New World
Consulate Crackdown Starting off the best of the best is Consulate Crackdown, a 5-mana enchantment that hits all artifacts your opponents control
O'aka, Traveling Merchant* Trade that bead in for a card, knowledge for a touch of power is a powerful thing, especially with sagas, at a low cost