Mikoto Misaka

Haste
When Mikoto Misaka enters the battlefield, put
two coin tokens under her.
Railgun{1}: Roll a dice, if it's above 15 then
Mikoto Misaka gains three +1/+1 until the end of
your turn. If Mikoto Misaka attacks this turn with
Railgun active, discard one coin token.
"I'm pretty pissed off, so I can't guarantee that
I'll hold back next time"