Senku

{t}: Add {g} to your mana pool.
Level up {1}{g} 1/1
Level 2-4: {t}: Add {g}{g} 3/3
Level 5-6: {t}: Add {g}{g}{g} 4/4
Level 7+: {t}: All creatures you 5/5
control get +3/+3 until end of turn.
"Humanity isn't going down that easily. Two
million years of human history is right here
inside of me."