Darksteel Colossus [Magic 2010] Alliances That creature attacks this turn

That creature attacks this turn if able

except it doesn't copy that creature's color and it has this ability

Set: Battle Royale Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Destroy all creatures

Set: Legends Type: Artifact Creature — Shapeshifter Rarity: Rare Cost: {4} {0}: Change Sentinel's base toughness to 1 plus the power of target creature blocking or blocked by Sentinel

the more I gain hope that Volrath and his cursed stronghold will one day fall

Darksteel Colossus [Magic 2010] Alliances That creature attacks this turnSet: Magic 2010 Type: Artifact Creature Golem Rarity: Mythic Cost: {11} Trample, indestructible If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.