As it stands, this mono-red-aggro deck is well-balanced , so any changes should be based on your experiences with the deck and how other popular decks in the meta are dealing with your threat.
Its card number is 141/189
Mightform Harmonizer doubles the power of a creature when a land enters under your control
These two phases are referred to as the first and second Main Phase, or alternatively as the pre-combat and post-combat Main Phase, and respectively make up the second and fourth phases of a turn
It's also just a great decision by the Lorcana team as Stitch is more popular than ever these days with his box-office smash hit live-action film and a sequel on the way
+1/+1 counter decks love Shalai, but so do Enchantress decks, Angel tribal, and hatebear-heavy builds