Magister of Endymion

When this creature attacks, give it one Spell Counter.
{t} You can remove 3 SCs from permanents you
control. The next Wizard or Warlock spell you cast
this turn has Flash, and costs 1m less. If this creature
would die, it is no longer an creature, and remains on
the battlefield with the same number of Counters.
Each time an Instance or Sorcery is cast, place one SC
on this card. You can remove 3 Spell Counters from this card; transform this card into a creature, and target
one creature you c