Formidable

If 2 life was pay to summon Formidable into play,
put a +0/+10 counter on Formidable. If 4 life was
pay to summon Formidable into play, put a +0/15 counter on Formidable and has Islandwalk.
When a Aircraft creature deals damage to any target, create a 1/1 colorless Aircraft creature with Flying called "Support Plane".
Formidable Power is equal to the number Aircraft creatures in play.
{t}:Deal 1 damage to any target.