Overlord of the Mistmoors

Impending 4 {2}{w}{w} (If you cast this spell for its impending cost, it enters with four time counters
and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.)

Whenever Overlord of the Mistmoors enters or attacks, create two 2/1 white Insect creature tokens with flying.