The card stays attached to the Pokemon until a card effect removes it, or until the Pokemon that is holding it gets removed from the field
If the shell we end up building has an aggressive slant, we may consider [card]Crackling Doom[/card]
To that end, I keep the following three points in mind during the deck-building stage
This Gamma Playtest Mox Pearl also has only one instruction: Provides 1 mana TAP. In the final version of Mox Pearl released in the Alpha set, the instructions became clearer about how to use the mana: Add 1 white mana to your mana pool
A creature that becomes a copy of a melded permanent has only the characteristics of that combined back face, and its mana value is 0
Casting Cost: Card Type: Legendary Creature - Treefolk Power / Toughness: 5 / 6 Card Text: Whenever Quickbeam, Upstart Ent or another Treefolk enters the battlefield under your control, up to two target creatures each get +2/+2 and gain trample until end of turn