It's another card from The Lord of the Rings: Tales of Middle-earth and Delighted Halfling is just a mana dork
The Pokmon available are Mewtwo ex, Mew ex, Kirlia, Gardevoir, Sigilyph, Beheeyem and Florges
With cards like Drover of the Mighty, Channeler Initiate, Pillar of Origins, Unclaimed Territory, and Attune to Aether in Standard, it's not hard to get the mana you need to play the best Dinosaurs from each color
You will get 1 promo pack for every 10 packs containing Skyscraping Perfect / Blue Sky Stream packs at participating stores ( this could be participating Pokemon GYM stores, this is not clear )
They mutate into the creature on top plus all abilities from under it.) Flying, trample Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card
Casting Cost: Card Type: Enchantment Card Text: Creatures you control have trample