Sun-Blessed Guardian [March of the Machine]

5(R/P): Transform Sun-Blessed Guardian. Activate only as a sorcery.
((R/P) can be paid with either R or 2 life.)
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Furnace-Blessed Conqueror
Whenever Furnace-Blessed Conqueror attacks, create a tapped and attacking token that's a copy of it. Put a +1/+1 counter on that token for each +1/+1 counter on Furnace-Blessed Conqueror. Sacrifice that token at the beginning of the next end step.