Aminatou, the Fateshifter Commodore Guff Daretti, Scrap Savant Dihada, Binder of Wills Elminster Estrid, the Masked Freyalise, Llanowar's Fury Jared Carthalion Jeska, Thrice Reborn Lord Windgrace Minsc & Boo, Timeless Heroes Nahiri, the Lithomancer Ob Nixilis of the Black Oath Quintorius, History Chaser Rowan Kenrith Saheeli, the Gifted Sivitri, Dragon Master Tasha, the Witch Queen Teferi, Temporal Archmage Tevesh Szat, Doom of Fools Will Kenrith
Some of these, though, are tough to reprint due to IP
It creates tokens with haste that will make you the monarch if you deal combat damage with them that turn
If this strategy gets into the long game, then include a card like Raise the Past and get right back to attacking
In other words, there is a great diversity of threats
Looking at the current meta of Pioneer, Control makes up 16% alone, Aggro makes up 66%, and Combo makes up 18%