Silent Arbiter [Fifth Dawn] Best of Promos when the battle position of

when the battle position of a "Madolche" monster(s) you control is changed (and is now face-up)

these slivers have proven unruly—they know they cannot be caught

during the Damage Step only

spells and abilities you control that would add colored mana instead add that much white mana

You can only use this effect of "Mecha Phantom Beast Megaraptor" once per turn

Silent Arbiter [Fifth Dawn] Best of Promos when the battle position ofSet: Fifth Dawn Type: Artifact Creature Construct Rarity: Rare Cost: {4} No more than one creature can attack each combat. No more than one creature can block each combat. Scholars say that arbiters exist on every world, created by an unknown hand to enforce justice.