Cast Conclave Sledge-Captain by paying {5}{G}.
When Conclave Sledge-Captain enters the battlefield, its backup ability triggers three times.
Resolve the first trigger, putting a +1/+1 counter on the creature with power two or greater, and causing it to gain the printed abilities until end of turn.
Repeat step 3 for each remaining trigger.
Deal combat damage with the creature that was targeted in step 3, triggering the creature's ability three times, putting three +1/+1 counters on the creature for each damage it dealt.
At the beginning of your next upkeep, Mayael's Aria triggers, causing you to put a +1/+1 counter on each creature you control, gain ten life, and win the game.

Win the game at the beginning of your next upkeep

Mayael's Aria

Conclave Sledge-Captain

Cast Conclave Sledge-Captain by paying {5}{G}.
When Conclave Sledge-Captain enters the battlefield, its backup ability triggers three times.
Resolve the first trigger, putting a +1/+1 counter on the creature with power two or greater, and causing it to gain the printed abilities until end of turn.
Simic Ascendancy's first ability triggers, putting a growth counter on it.
Repeat from step 3 for each remaining trigger.
Deal combat damage with the creature that was targeted in step 3, triggering the creature's ability three times.
Resolve the first trigger, putting a number of +1/+1 counters on the creature equal to the damage dealt.
Simic Ascendancy's first ability triggers, putting that many growth counters on it.
Repeat from step 7 for each remaining trigger.
At the beginning of your next upkeep, Simic Ascendancy's second ability triggers, causing you to win the game.

Simic Ascendancy

Activate Emiel by paying {3}, blinking Conclave Sledge-Captain.
When Conclave Sledge-Captain enters the battlefield, its backup ability triggers three times, all targeting Sage of Hours.
Resolve all Conclave Sledge-Captain triggers, putting three +1/+1 counters on Sage of Hours, and causing it to gain the printed abilities three times until end of turn.
Deal combat damage with Sage of Hours, triggering its abilities granted by Conclave Sledge-Captain three times, putting three +1/+1 counters on Sage of Hours for each damage it dealt.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least three extra turns after this one.
Repeat during your last extra turn.

Infinite turns

Sage of Hours

Emiel the Blessed

Activate Conclave Sledge-Captain by paying {1}{U}, blinking it.
When Conclave Sledge-Captain enters the battlefield, its backup ability triggers three times, all targeting Sage of Hours, as well as Deadeye Navigator's soulbond ability.
Resolve the Deadeye Navigator trigger, repariing it and Conclave Sledge-Captain.
Resolve all Conclave Sledge-Captain triggers, putting three +1/+1 counters on Sage of Hours, and causing it to gain the printed abilities three times until end of turn.
Deal combat damage with Sage of Hours, triggering its abilities granted by Conclave Sledge-Captain three times, putting three +1/+1 counters on Sage of Hours for each damage it dealt.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least three extra turns after this one.
Repeat during your last extra turn.

Deadeye Navigator

At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Conclave Sledge-Captain with haste.
When the Conclave Sledge-Captain token enters the battlefield, its backup ability triggers three times, all targeting Sage of Hours.
Resolve all Conclave Sledge-Captain triggers, putting three +1/+1 counters on Sage of Hours, and causing it to gain the printed abilities three times until end of turn.
Deal combat damage with Sage of Hours, triggering its abilities granted by Conclave Sledge-Captain three times, putting three +1/+1 counters on Sage of Hours for each damage it dealt.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least three extra turns after this one.
Repeat during your last extra turn.

Helm of the Host

Activate Conclave Sledge-Captain by tapping it, creating a token copy of it with haste.
When the Conclave Sledge-Captain token enters the battlefield, its backup ability triggers three times, all targeting Sage of Hours.
Resolve all Conclave Sledge-Captain triggers, putting three +1/+1 counters on Sage of Hours, and causing it to gain the printed abilities three times until end of turn.
Deal combat damage with Sage of Hours, triggering its abilities granted by Conclave Sledge-Captain three times, putting three +1/+1 counters on Sage of Hours for each damage it dealt.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least three extra turns after this one.
Repeat during your last extra turn.

Splinter Twin

Activate Kiki-Jiki by tapping it, creating a token copy of Conclave Sledge-Captain with haste.
When the Conclave Sledge-Captain token enters the battlefield, its backup ability triggers three times, all targeting Sage of Hours.
Resolve all Conclave Sledge-Captain triggers, putting three +1/+1 counters on Sage of Hours, and causing it to gain the printed abilities three times until end of turn.
Deal combat damage with Sage of Hours, triggering its abilities granted by Conclave Sledge-Captain three times, putting three +1/+1 counters on Sage of Hours for each damage it dealt.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least three extra turns after this one.
Repeat during your last extra turn.

Kiki-Jiki, Mirror Breaker

Activate Eldrazi Displacer by paying {2}{C}, blinking Conclave Sledge-Captain.
When Conclave Sledge-Captain enters the battlefield, its backup ability triggers three times, all targeting Sage of Hours.
Resolve all Conclave Sledge-Captain triggers, putting three +1/+1 counters on Sage of Hours, and causing it to gain the printed abilities three times until end of turn.
Deal combat damage with Sage of Hours, triggering its abilities granted by Conclave Sledge-Captain three times, putting three +1/+1 counters on Sage of Hours for each damage it dealt.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least three extra turns after this one.
Repeat during your last extra turn.

Combos with "Conclave Sledge-Captain"