Aviceborn

Item Construction B+ (golem) {3}: Create a 1/1 creature artifact golem with: {t}: create a mana
of any color. You can only use this ability thrice each turn.

Golem Keter Malkuth {8}{g}{g}: Create a 5/5 legendary golem creature with: At the start of your upkeep put a +1/+1 counter on this creature, gain 5 life and search for a green land and put it on the battlefield untapped.