counter opponent\'s stuff for 2 mana

Discard a card: You may tap or untap target artifact, creature, or land.

Counter target spell.

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand. , : You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Indestructible (Damage and effects that say "destroy" don't destroy this creature.) If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

Activated abilities of creatures you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana.