Irtnm, Mantis of Alpha Centa

Deathtouch, flying, hexproof, trample
{b}, Discard 2 cards: Until end turn, you may
cast Irtnm, Mantis of Alpha Centa from your graveyard.
Whenever Irtnm, Mantis of Alpha Centa attacks,
name a keyword this creature has. Put a counter
of the corresponding keyword onto every other attacking insect.