The Pokemon it's attached has one less retreat cost, so that would be wise to attach it to Mewtwo if you want to switch rapidly
Resistance : Resistance works in the opposite way
Prerequisites Kodama of the East Tree on the battlefield Ghost Town in hand Maja, Bretagard Protector on the battlefield Arid Mesa on the battlefield Steps Fetch a land using Arid Mesa When the fetched land enters, Maja and Kodama trigger Resolve the Kodama trigger, putting Ghost Town from your hand onto the battlefield When Ghost Town enters, Kodama and Maja trigger Holding priority, activate Ghost Town's first abiltiy by tapping it, adding Activate Ghost Town's second ability by paying , returning it from the battlefield to your hand Resolve the Maja from step 4, creating a token When the token enters, Kodama triggers, putting Ghost Town from your hand onto the battlefield When Ghost Town enters, Maja triggers Repeat from step 5 Results Required Cards 4 Kodama of the East Tree Legendary Creature Spirit Maja, Bretagard Protector Legendary Creature Human Warrior
Risk Factors Every Pokemon Investor Should Know Every investment carries risk
This card has been very handy for decks that run more than one energy type as it essentially works as a catch-all for any single energy
Its even restricted in Vintage too