The overflowing magma is only a part of the planet's power.
[AUTO](VC):At the beginning of your main phase, [Soul-Charge 1], and this unit gets [Power] +2000 until end of turn. [ACT](VC):[Counter-Blast 5 & Soul-Blast 8] Choose one of your opponent's vanguard, and that unit gets [Power] -5000 until end of turn, and retire all of your opponent's rear-guards with [Power] 5000 or less.