Aethertow (MM3 205)

Instant • Mana cost: {3}{W/U} • Modern Masters 2017 • Common

Put target attacking or blocking creature on top of its owner's library.
Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Illustrated by Warren Mahy.