Ignis Dragon

Mountaincycling {3}, first strike
When Ignis Dragon enters the battlefield, if you have 2 or less cards in your hand and you have cast 2 or less spells this turn, put 5 +1/+1 counters on Ignis Dragon.
{2}, Return a legendary creature to your hand: Transform Ignis Dragon. Activate this ability only if you have 10 or more mana abilities amongst cards you control. Activate this ability only as a sorcery.