Animate Solar Array, if needed.
Cast Freed from the Real by paying its mana cost, attaching it to Solar Array.
Activate Solar Array by tapping it, adding {U} and causing the next artifact spell you cast this turn to have sunburst.
Activate Freed from the Real by paying {U}, untapping Solar Array.
Repeat from step 3 as desired.
Cast any artifact spell, triggering its sunburst ability an infinite number of times, either putting infinite +1/+1 counters on charge counters on the artifact.

Infinite +1/+1 counters on a creature

Infinite charge counters on artifacts you cast

Infinite +1/+1 counters on artifact creatures you cast

Solar Array

Freed from the Real

Cyberdrive Awakener

Activate Solar Array by tapping it, adding one mana of any color and causing the next artifact spell you cast to have sunburst.
Cast Magistrate's Scepter by paying {3} using three different colors of mana.
Magistrate's Scepter's sunburst ability triggers, causing it to enter with three charge counters on it.
Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, causing you to take an extra turn after this one.
Activate Drafna by paying {1}{U}, returning Magistrate's Scepter from the battlefield to your hand.
Repeat each turn.

Infinite turns

Magistrate's Scepter

Drafna, Founder of Lat-Nam

Activate Solar Array by tapping it, adding {U} and causing the next artifact spell you cast this turn to have sunburst.
Activate Filigree Sages by paying {U}, untapping Solar Array.
Repeat as desired.
Cast any artifact spell, triggering its sunburst ability an infinite number of times, either putting infinite +1/+1 counters on charge counters on the artifact.

Filigree Sages

Power Artifact

Activate Ramos by removing five +1/+1 counters from it, adding {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}.
Activate Solar Array by tapping it, adding {1} and causing the next artifact spell you cast to gain sunburst.
Activate Filigree Sages by paying {2}{U}, untapping Solar Array.
Activate Temur Sabertooth by paying {1}{G}, returning Ramos from the battlefield to your hand.
Cast Ramos by paying {1}{W}{U}{B}{R}{G}.
Solar Array triggers, giving Ramos sunburst, which will cause it to enter the battlefield with five +1/+1 counters.
Repeat.

Combos with "Solar Array"