It starts with two +1/+1 counters on it, and you can move those onto your creatures
Though not advisable for the most part, there is some access to Level 10 Synchro Monsters--so long as you're willing to sacrifice a copy of Ash Blossom & Joyous Spring to use as a Tuner Monster
It's a smaller version of "Emes the Infinity", but it's easy to handle, such as using "Insect Imitation" at level 4
Alternatively, the Warrior can discover Pandemonium (Spell Card) to become an Archfiend (Mazera DeVille)
Exosister Sophia If you control another "Exosister" monster: You can draw 1 card, then if you control "Exosister Irene", you gain 800 LP
Put that card onto the battlefield and the rest on the bottom of your library in a random order. The short version is that you get to hit people with things, sacrifice them if you want to and then replace them with the next creature that shares a type from your library