Gwendlyn Di Corci is clearly not on the underpowered side of things, even if it also isnt one of the strongest out there
Meanwhile, dealing lots of combat damage with a commander is already win-con unto itself
Exodus Survival of the Fittest (LP - English) Survival of the Fittest (GD, EX - German) Survival of the Fittest (LP - French) City of Traitors (NM - English) City of Traitors (PO - French) Mirage Lion's Eye Diamond (GD, EX, NM - English) Lion's Eye Diamond (GD, EX - French) Stronghold Sliver Queen (GD, EX, NM - English) Sliver Queen (NM - German) Mox Diamond (GD, EX, NM - English) Mox Diamond (GD, EX, NM - French) Mox Diamond (EX, NM - German) Tempest Urza's Legacy Grim Monolith (GD - English) Urza's Saga Gilded Drake (PO - English) Gilded Drake (GD - French) Gaea's Cradle (PL, GD, NM - English) Gaea's Cradle (PL - German) Yawgmoth's Will (EX - German) Over 140 Duals The Spiel'23 was full of people who wanted to get rid of their Dual Lands
and Torrential Gearhulk for two mana is too important
If a card changes zones, a target becomes illegal, or an opponent interrupts the loop, you may need to stop and record a new sequence
