Karrthus, Tyrant of Jund (Oversized) [Commander's Arsenal Oversized] Open the Helvault Set: Unstable Type: Artifact Creature

Set: Unstable Type: Artifact Creature — Cyborg Knight Rarity: Rare Cost: {1}{W} Whenever another artifact enters the battlefield under your control

Set: Judge Gift Cards 2006 Type: Creature — Human Wizard Rarity: Rare Cost: {W}{U} As Meddling Mage enters the battlefield

−2: Create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control

Set: Innistrad Type: Enchantment Rarity: Rare Cost: {3}{G} If an effect would create one or more tokens under your control

change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep

Karrthus, Tyrant of Jund (Oversized) [Commander's Arsenal Oversized] Open the Helvault Set: Unstable Type: Artifact CreatureSet: Commander's Arsenal Oversized Type: Legendary Creature Dragon Rarity: Mythic Cost: {4}{B}{R}{G} Flying, haste When Karrthus, Tyrant of Jund enters the battlefield, gain control of all Dragons, then untap all Dragons. Other Dragon creatures you control have haste.