With just two energy, Marowak ex can use its Bonemerang attack , dealing 80 damage for each heads in two coin flips
Being a partially green deck, Exit from Exile has a ton of great ramp that will get you the mana you need to cast some of its best new creatures, including the excellent Nalfeshnee, which copies spells that you cast from exile
The rest of the ratios look good, though I would prefer another board wipe or two: board wipes are good because your early turns are spent ramping, not developing a board presence, so a board wipe is a great catchup mechanic before you start dropping your haymakers
There will be times where we are unable to reliably hold the Monarch and that will make it tough for us to get that extra card per turn
This does double the damage if the Defending Pokemon is Male
Proliferation is popular, and its something novel for the color trio to care about