Tanuki Transplanter (NEC-030) - Neon Dynasty Commander

Whenever this creature or equipped creature attacks, add an amount of equal to its power. Until end of turn, you don't lose this mana as steps and phases end.
Reconfigure {3} ({3}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)