Flash (You may cast this spell any time you could cast an instant.)Enchant red or green creatureWhen Encase in Ice enters, tap enchanted creature.Enchanted creature doesn't untap during its controller's untap step.
Creatures with power less than Den Protector's power can't block it.Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)When Den Protector is turned face up, return target card from your graveyard to your hand.
Flying: Harbinger of the Hunt deals 1 damage to each creature without flying.: Harbinger of the Hunt deals 1 damage to each other creature with flying.
Creatures with power greater than Silumgar Assassin's power can't block it.Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)When Silumgar Assassin is turned face up, destroy target creature with power 3 or less an opponent controls.
Dash costs you pay cost less (as long as this creature is on the battlefield).Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)
Target creature you control gets +1/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.)
FlyingWhen Swift Warkite enters, you may put a creature card with mana value 3 or less from your hand or graveyard onto the battlefield. That creature gains haste. Return it to your hand at the beginning of the next end step.