You may pay rather than pay this spell's mana cost.TrampleAt the beginning of your upkeep, you may untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.
You may choose not to untap Vedalken Shackles during your untap step., : Gain control of target creature with power less than or equal to the number of Islands you control for as long as Vedalken Shackles remains tapped.
Imprint — When Summoner's Egg enters, you may exile a card from your hand face down.When Summoner's Egg dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.
Sunburst (This enters with a charge counter on it for each color of mana spent to cast it.), Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives.
You may pay rather than pay this spell's mana cost.TrampleAt the beginning of your upkeep, you may return target artifact card from your graveyard to the battlefield.
You may pay rather than pay this spell's mana cost.TrampleAt the beginning of your upkeep, you may pay 2 life. If you do, search your library for a card, then shuffle and put that card on top.
Sunburst (This enters with a charge counter on it for each color of mana spent to cast it.)Remove a charge counter from Pentad Prism: Add one mana of any color.