Kryllec master transmuter

Changling, hexproof. Creature tokens you control
have hexproof and indestructible{b/g}{g/u}{u/b}{t}put up
to 3 target cards from your hand face down
morphed as 2/2 creature tokens, turn them face
up at any time for their mana cost. When a card
you control is turned face up place a
+1/+1 on it if it is a creature, if it is a non-
creature card you gain 3 life. Morph tokens you control cost {x} less to turn face up where {x} is the number of morph tokens on the battlefield