Youre packing ten 2-mana or cheaper mana sources to get out of the gate fast
It enters the battlefield attached to that card
Heres what you currently get in each of these bundles: Welcome Bundle : 2500 gems, five packs Adventurer Bundle : 3500 gems, Adventurer Avatar, City of Brass Sleeve Spark Bundle : 1500 gems, four mythic wildcards, four rare wildcards, Slimefoot Avatar Planeswalker Bundle : 6500 gems, four draft tokens, Chatterfang Sleeve, Phelddagrif Avatar Outside of the bundles, you can always purchase more gems under the Gems tab of the Store
Four players at the same table can each call their deck a 7 out of 10 one with an unsleeved precon, one with Mana Vault and Thassa's Oracle plus Demonic Consultation
Bioplasm X-card interactions are complex enough, so cards that ask me to keep track of both X and Y have to be good to be worth the headache
As I suggested with Illuna, The Ozolith might have some game here as well