Kolaghan Warmonger
Dealing damage every time a player casts a non-creature spell could turn into quite a big number if you're playing opposite decks that don't have a lot of creatures
The strategy gets a little more dicey since an opponent can have a removal spell and prevent you from drawing cards
Not only does Seasoned Dungeoneer give you the initiative when it enters the battlefield, but you also get two powerful combat triggers
Amano's planeswalker, Liliana, is also one of the central figures in War of the Spark's story, and will likely be a key player in the game's new Standard format thanks to her extremely high power level
Novijen, Heart of Progress (Simic) Evolve Whenever a creature enters the battlefield under your control, your other creatures with power lower than this creatures get +2/+2 Skarrg, the Rage Pits (Gruul) Bloodrush Whenever a player exiles a card from their hand or discards a card, that players first creature gets +3/+3 until end of turn