Aegislash
252+ Atk Life Orb Aegislash-Blade Iron Head vs. 72 HP / 56 Def Babiri Berry Sylveon: 259-305 (74.2 - 87.3%) -- guaranteed 2HKO after Stealth Rock
+1 244+ SpA Sylveon Mystical Fire vs. 252 HP / 0 SpD Aegislash-Blade: 412-486 (127.1 - 150%) -- guaranteed OHKO
Excadrill
252 Atk Excadrill Iron Head vs. 72 HP / 56 Def Babiri Berry Sylveon: 177-208 (50.7 - 59.5%) -- guaranteed 2HKO
+1 244+ SpA Sylveon Mystical Fire vs. 0 HP / 4 SpD Excadrill: 336-396 (93 - 109.6%) -- 56.3% chance to OHKO
Jirachi
252 Atk Jirachi Iron Head vs. 72 HP / 56 Def Babiri Berry Sylveon: 144-169 (41.2 - 48.4%) -- guaranteed 3HKO
244+ SpA Sylveon Mystical Fire vs. 0 HP / 4 SpD Jirachi: 158-188 (46.3 - 55.1%) -- 64.5% chance to 2HKO
Celesteela
+1 252+ SpA Celesteela Flash Cannon vs. +1 72 HP / 0 SpD Babiri Berry Sylveon: 102-120 (29.2 - 34.3%) -- 3.5% chance to 3HKO
0 Atk Celesteela Heavy Slam (120 BP) vs. 72 HP / 56 Def Babiri Berry Sylveon: 171-202 (48.9 - 57.8%) -- 96.9% chance to 2HKO
+1 244+ SpA Sylveon Mystical Fire vs. 0 HP / 4 SpD Celesteela: 236-278 (70.4 - 82.9%) -- guaranteed 2HKO after Leftovers recovery
+2 244+ SpA Sylveon Mystical Fire vs. 252 HP / 252+ SpD Celesteela: 226-268 (56.7 - 67.3%) -- guaranteed 2HKO after Leftovers recovery
Nidoking
252+ SpA Life Orb Sheer Force Nidoking Sludge Wave vs. +1 72 HP / 0 SpD Sylveon: 234-276 (67 - 79%) -- guaranteed 2HKO after Stealth Rock
+1 244+ SpA Sylveon Psyshock vs. 0 HP / 0 Def Nidoking: 316-372 (104.2 - 122.7%) -- guaranteed OHKO
Tentacruel
0 SpA Tentacruel Sludge Bomb vs. +1 72 HP / 0 SpD Sylveon: 86-104 (24.6 - 29.7%) -- 100% chance to 4HKO
+1 244+ SpA Sylveon Psyshock vs. 252 HP / 4 Def Tentacruel: 360-424 (98.9 - 116.4%) -- 93.8% chance to OHKO
Nihilego
252 SpA Nihilego Sludge Wave vs. +1 72 HP / 0 SpD Sylveon: 164-194 (46.9 - 55.5%) -- 72.7% chance to 2HKO
+1 244+ SpA Sylveon Psyshock vs. 80 HP / 0 Def Nihilego: 460-542 (121.3 - 143%) -- guaranteed OHKO