
Chord of Calling | Instant | | 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.)
Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. | Karl Kopinski

Hunter's Ambush | Instant | | Prevent all combat damage that would be dealt by nongreen creatures this turn. | David Palumbo