Imperiosaur

Flying, vigilance T: When target creature other than this creature dies this turn, return that card to the battlefield under your control.

4, T: Search your library for a Rebel permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

This creature can't be blocked except by artifact creatures and/or white creatures.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.

1W: Return target artifact card with mana value 1 or less from your graveyard to your hand.

Changeling (This card is every creature type.) Flying

Choose one — • Tap two target creatures. • Creatures don't untap during target player's next untap step. Entwine 1 (Choose both if you pay the entwine cost.)

Enchant creature Enchanted creature can't attack or block.