pokemon 151 japanese booster box price chart you might even find the elusive Mew ex in your travels 151 Japanese Prices are as

Three Tree Mascot Rarity: Common TYPE: Artifact Creature SUBTYPE: Shapeshifter CMC: 2 Mana cost: USD: $0.10 EUR: 0.12 TIX: 0.03 EDHREC RANK: 4145 (2/1) Changeling (This card is every creature type.) : Add one mana of any color

WotC says each one is sold out at the Secret Lair storefront

Highly doubtful these cards will sell for that price

Casting Cost: Card Type: Enchantment Card Text: As Kindred Discovery enters the battlefield, choose a creature type

Make a bunch of goblins or elementals and go absolutely bonkers with it

Then you can Flip to the Avatar with a 4/5 flying body and then your 2 nd spell cast each turn will get in some airbend action