MacMagic, Stormmage

Flying, reach
{t}: Put a {e} counter on MacMagic.
Put a {e} counter on MacMagic: Put a -1/0
counter on MacMagic. Activate this ability only
when MacMagic has a power greater than 0.
Remove X {e} counters: Chose one:
•Deal X damage to a nonflying creature,
•Deal 2X damage to a flying creature,
•Remove all -1/0 counters from MacMagic.
MacMagic has +X/0 until end of turn.