Créature — sylvin
7 / 5
Piétinement
À chaque fois que vous attaquez avec au moins une créature, dégagez jusqu'à X terrains, X étant la force la plus élevée parmi ces créatures.
Creatures that enter attacking were never declared as attackers, so Shriekwood Devourer's last ability won't take them into account.
The value of X is calculated only once, as Shriekwood Devourer's last ability resolves. This means that the value of X may be different than you had hoped when attackers were declared if attacking creatures have left the battlefield or their power has changed.