Siren's Call [Limited Edition Alpha] HarperPrism Book Promos before leading an army against

before leading an army against the Shu

Set: Limited Edition Beta Type: Artifact Uncommon Cost: {1} {T}: Add {C}{C}

then shuffle your library and put that card on top of it

What goes up

Siren's Call [Limited Edition Alpha] HarperPrism Book Promos before leading an army againstSet: Limited Edition Alpha Type: Instant Uncommon Cost: {U} Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.