Not only that, but Samut also gives all creatures you control haste and can untap them
This deck runs lots of cards that use "charge counters", and ways to add or move those counters around
Geosurge is still good enough to drop a big finisher (Inferno Titan, Wurmcoil Engine, maybe Balefire Dragon if you want to get cute) on turn 4, but that requires having both the enabler and the big creature in your starting 10 -- and remember that contemporary mono-red doesn't really have filtering or card draw
With enough mana, you can evoke an elemental and cast it from the graveyard on the same turn, getting a lot of value
Nissa of Shadowed Boughs Nissa of Shadowed Boughs is a tough planeswalker for me to evaluate
Spire Mechcycle: It doesnt take much to turn this into a 6+ power creature with haste - all for only five mana