Insect Infestation Engine

{t}Create a 1/1 Flying Insect token.
{t}Sacrifice an Insect token: Create a 1/1 Deathtouch Insect token.
{t}Sacrifice two Insect tokens: Create a 2/2 Haste Insect token.
{t}Sacrifice three Insect tokens: Create a 3/3 Trample Insect token.