You may cast this Chimchar without paying its mana cost if you control a card named Professor's Lab.

Flame Wheel - {R}{R}: Put 2 burn counters on target creature. At the beginning of your upkeep, Chimchar deals 1 damage to each creature with a burn counter on it. Then, remove a burn counter from each creature.

Evolves into Monferno {1}{R} (If you pay the evolves into cost, sacrifice this creature, then you may put a card named in the cost onto the battlefield without paying its mana cost.)