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Gholdengo @ Metal Coat
Ability: Good as Gold
Tera Type: Steel
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Nasty Plot
- Shadow Ball
- Make It Rain
- Focus Blast
It turns out that if this Gholdengo goes Nasty Plot into Shadow Ball into Make It Rain (into improvise from there if Iron Crown goes for a bunch of Calm Minds), Iron Crown cannot break Gholdengo quickly enough before it gets KOed as long as it starts off with no boosts.

252 SpA Gholdengo Shadow Ball vs. 84 HP / 0 SpD Iron Crown: 252-296 (73.6 - 86.5%) -- guaranteed 2HKO
+2 252 SpA Gholdengo Shadow Ball vs. 84 HP / 0 SpD Iron Crown: 498-588 (145.6 - 171.9%) -- guaranteed OHKO
+2 252 SpA Gholdengo Shadow Ball vs. +1 84 HP / 0 SpD Iron Crown: 332-392 (97 - 114.6%) -- 81.3% chance to OHKO
+2 252 SpA Gholdengo Shadow Ball vs. +2 84 HP / 0 SpD Iron Crown: 252-296 (73.6 - 86.5%) -- guaranteed 2HKO
+2 252 SpA Gholdengo Shadow Ball vs. +3 84 HP / 0 SpD Iron Crown: 200-236 (58.4 - 69%) -- guaranteed 2HKO
+2 252 SpA Gholdengo Shadow Ball vs. 84 HP / 0 SpD Tera Fighting Iron Crown: 249-294 (72.8 - 85.9%) -- guaranteed 2HKO
+2 252 SpA Gholdengo Shadow Ball vs. +1 84 HP / 0 SpD Tera Fighting Iron Crown: 166-196 (48.5 - 57.3%) -- 92.6% chance to 2HKO
+2 252 SpA Gholdengo Shadow Ball vs. +2 84 HP / 0 SpD Tera Fighting Iron Crown: 126-148 (36.8 - 43.2%) -- guaranteed 3HKO
+2 252 SpA Gholdengo Shadow Ball vs. +3 84 HP / 0 SpD Tera Fighting Iron Crown: 100-118 (29.2 - 34.5%) -- 5.5% chance to 3HKO
+2 252 SpA Metal Coat Gholdengo Make It Rain vs. 84 HP / 0 SpD Iron Crown: 224-264 (65.4 - 77.1%) -- guaranteed 2HKO
+2 252 SpA Metal Coat Gholdengo Make It Rain vs. +1 84 HP / 0 SpD Iron Crown: 149-176 (43.5 - 51.4%) -- 8.2% chance to 2HKO
+2 252 SpA Metal Coat Gholdengo Make It Rain vs. +2 84 HP / 0 SpD Iron Crown: 112-132 (32.7 - 38.5%) -- 99.4% chance to 3HKO
+2 252 SpA Metal Coat Gholdengo Make It Rain vs. +3 84 HP / 0 SpD Iron Crown: 90-106 (26.3 - 30.9%) -- guaranteed 4HKO
+2 252 SpA Metal Coat Gholdengo Make It Rain vs. 84 HP / 0 SpD Tera Fighting Iron Crown: 448-528 (130.9 - 154.3%) -- guaranteed OHKO
+2 252 SpA Metal Coat Gholdengo Make It Rain vs. +1 84 HP / 0 SpD Tera Fighting Iron Crown: 298-352 (87.1 - 102.9%) -- 18.8% chance to OHKO
+2 252 SpA Metal Coat Gholdengo Make It Rain vs. +2 84 HP / 0 SpD Tera Fighting Iron Crown: 225-265 (65.7 - 77.4%) -- guaranteed 2HKO
+2 252 SpA Metal Coat Gholdengo Make It Rain vs. +3 84 HP / 0 SpD Tera Fighting Iron Crown: 180-213 (52.6 - 62.2%) -- guaranteed 2HKO
+1 252 SpA Gholdengo Make It Rain vs. +3 84 HP / 0 SpD Tera Fighting Iron Crown: 112-133 (32.7 - 38.8%) -- 99.5% chance to 3HKO
+1 252 SpA Gholdengo Make It Rain vs. +4 84 HP / 0 SpD Tera Fighting Iron Crown: 93-111 (27.1 - 32.4%) -- guaranteed 4HKO

172 SpA Iron Crown Tachyon Cutter (2 hits) vs. 0 HP / 4 SpD Gholdengo: 78-94 (24.7 - 29.8%) -- 99.9% chance to 4HKO
172 SpA Iron Crown Psyshock vs. 0 HP / 0 Def Gholdengo: 62-73 (19.6 - 23.1%) -- possible 5HKO
+1 172 SpA Iron Crown Tachyon Cutter (2 hits) vs. 0 HP / 4 SpD Gholdengo: 118-140 (37.4 - 44.4%) -- guaranteed 3HKO
+2 172 SpA Iron Crown Tachyon Cutter (2 hits) vs. 0 HP / 4 SpD Gholdengo: 158-186 (50.1 - 59%) -- guaranteed 2HKO
+3 172 SpA Iron Crown Tachyon Cutter (2 hits) vs. 0 HP / 4 SpD Gholdengo: 198-234 (62.8 - 74.2%) -- guaranteed 2HKO