Mid Game (Turn 56) : Target benched evolution basics (Charmander, Ralts, Dratini) before they evolve, creating immediate knockout opportunities
Blink your commander for additional ETBs, for circumventing the "once during a turn" text (looking at you, Neera), or for just protecting a pet card from removal

Ursulas Return Sapphire/Steel Hero Deck List Anna Braving the Storm (3x) Anna True-Hearted (foil) Aurora Regal Princess* (3x) (The First Chapter) Aurora Tranquil Princess (3x) Basil Of Baker Street* (2x) (Rise of the Floodborn) Flounder Collectors Companion (2x) Mickey Mouse Detective* (2x) (The First Chapter) Pascal Inquisitive Pet (2x) Prince Phillip Gallant Defender Rapunzel Appreciative Artist Sisu Wise Friend (2x) Transformed Chef Castle Stove (2x) Dig a Little Deeper (2x) Seldom All They Seem (2x) Aladdin Resolute Swordsman (3x) Ariel Determined Mermaid (3x) Hercules Beloved Hero (foil) Kida Royal Warrior* (3x) (Into the Inklands) Li Shang Imperial Captain (2x) Ling Imperial Soldier (2x) Mickey Mouse Standard Bearer (3x) Mulan Armored Fighter (2x) Philoctetes No-Nonsense Instructor Robin Hood Beloved Outlaw* (3x) (Into the Inklands) One Last Hope Smash* (2x) (The First Chapter) Imperial Bow (3x) Thebes The Big Olive (3x) Ursulas Return Sapphire/Steel deck review If the lack of synergy found in Amber/Amethyst (apart from the Encanto theming) isnt your thing, you might prefer Sapphire/Steel

1: Hidetsugu, Devouring Chaos (Showcase 429) | Kamigawa: Neon Dynasty ($1,799.99) Anyone who saw this treatment when Wizards of the Coast first announced it knew at least one of the Hidetsugus would command an insane price
[3] If this Fusion Summoned card leaves the field by your opponent: You can target 1 Fiend or Warrior monster in your GY
Perhaps the best modern example of this is Necroquip Princess, an amazing Level 6 Fiend-type Fusion monster