Equipped creature gets +2/+2 and has protection from black and from green.Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.Equip
As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost to cast costs to cast instead.)
Return target nonland permanent you don't control to its owner's hand.Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Equipped creature gets +2/+2 and has protection from red and from blue.Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to any target and you draw a card.Equip
Flying, vigilance, deathtouch, lifelinkAt the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Trample, infect, indestructibleIf Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.