Stardust Dragon

Synchro Summon (As you cast this spell, you may sacrifice any number of creatures this card's cost by the sacrificed creature's mana cost. It enters with a -1/-1 for each creature sacrificed this way.)
Flying, Vigilance
Phase out Stardust Dragon: counter target spell or ability that destroys one or more permanents you control.
Tesseract - While Stardust Dragon is phased out, creatures you control have hexproof.