Cast Crystalline Crawler by paying {4}, ensuring to use four different colors of mana.
Lux Artillery triggers, giving Crystalline Crawler sunburst, causing it to enter with eight +1/+1 counters due to sunburst and its converge ability.
Activate Crystalline Crawler's first ability eight times by removing eight +1/+1 counters from it, adding {3}{W}{U}{U}{B}{R}.
Activate Drafna by paying {1}{U}, returning Crystalline Crawler from the battlefield to your hand.
Repeat.

Infinite artifact ETB

Infinite artifact LTB

Infinite creature LTB

Infinite creature ETB

Infinite colored mana

Infinite storm count

Lux Artillery

Crystalline Crawler

Drafna, Founder of Lat-Nam

Activate Ramos by removing five +1/+1 counters from it, adding {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}.
Activate Temur Sabertooth by paying {1}{G}, returning Ramos to your hand from the battlefield.
Cast Ramos by paying {1}{W}{U}{B}{R}{G}.
Lux Artillery triggers, causing Ramos to gain sunburst and enter the battlefield with five +1/+1 counters on it.
Repeat.

Infinite black mana

Infinite blue mana

Infinite red mana

Infinite white mana

Ramos, Dragon Engine

Temur Sabertooth

Activate Ramos by removing five +1/+1 counters from it, adding {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}.
Activate Drafna's first ability by paying {1}{U}, returning Ramos to your hand from the battlefield.
Cast Ramos by paying {1}{W}{U}{B}{R}{G}.
Lux Artillery triggers, causing Ramos to gain sunburst and enter the battlefield with five +1/+1 counters on it.
Repeat.

Infinite green mana

Activate Ramos by removing five +1/+1 counters from it, adding {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}.
Activate Meticulous Excavation by paying {2}{W}, returning Ramos to your hand from the battlefield.
Cast Ramos by paying {1}{W}{U}{B}{R}{G}.
Lux Artillery triggers, causing Ramos to gain sunburst and enter the battlefield with five +1/+1 counters on it.
Repeat.

Meticulous Excavation

Combos with "Lux Artillery"