Cali, Heart of Innovation

Haste
Whenever Cali, Heart of Innovation untaps for
the first time each turn create a 1/1 colorless
Construct artifact creature token.
{4}{r}{g}, {t}, Sacrifice X artifact creatures: Create
X 4/4 colorless Construct artifact creature
tokens, they gain haste until end of turn.
"My creations will save thousands of lives."