Acordo do Chamado (Chord of Calling) [30th Anniversary Promos] Number_SWSH008 when your opponent activates a

when your opponent activates a monster effect (except during the Damage Step) (Quick Effect): You can activate this effect

has always confounded those who were meant to use it

Just three mana

Your opponent cannot target it with card effects this turn

Acordo do Chamado (Chord of Calling) [30th Anniversary Promos] Number_SWSH008 when your opponent activates aSet: 30th Anniversary Promos Type: Instant Rarity: Rare Cost: {X}{G}{G}{G} 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.