Steem Monsters just air drop these monster summoners. They add or SUBTRACT (which is a new feature) 3 instead of add 1. They cost 2 additional mana but will dominate higher mana matches.
Steem Monsters is a fun TCG built on the Steem block chain. If you are not currently playing Steem Monsters click this link to learn more.
Best Regards,
Dreamryder007