■ Star Evolution : Put on one of your RexStars or light creatures . (When this creature would leave , the top card leaves instead .) Blocker (Whenever an opponent 's creature attacks , you may tap this creature to stop the attack . Then the 2 creatures battle .)

■ Each of your evolution creatures cost 1 less to summon and your tamaseeds cost 1 less to use . They can't cost 0 or less.