Winnowing - Lorwyn Eclipsed - 355

Sorcery

Mana Cost: {4}{W}{W}

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
For each player, you choose a creature that player controls. Then each player sacrifices all other creatures they control that don't share a creature type with the chosen creature they control.

Rare · Lorwyn Eclipsed · #355 (ECL)

Illustrated by David Palumbo