Desolation Giant [Commander Anthology Volume II] Arena League 2002 You can only use this

You can only use this effect of "Destrudo the Lost Dragon's Frisson" once per turn

destroy all monsters your opponent controls and inflict 500 damage to your opponent for each monster destroyed by this effect

You can send 1 DARK monster from your hand to the Graveyard

return it to its owner's hand

and if it is a Trap

Desolation Giant [Commander Anthology Volume II] Arena League 2002 You can only use thisSet: Commander Anthology Volume II Type: Creature Giant Rarity: Rare Cost: {2}{R}{R} Kicker {W}{W} (You may pay an additional {W}{W} as you cast this spell.) When Desolation Giant enters the battlefield, destroy all other creatures you control. If it was kicked, destroy all other creatures instead.