[REQUIREMENT] When your opponent Normal or Special Summons a monster face-up.
[EFFECT] Roll a six-sided die. Inflict 100 damage to your opponent x [The result] and all face-up monsters your opponent controls lose 100 ATK and DEF x [The result] until the end of the turn, then, all monsters you control gain 100 ATK and DEF x [The result] until the end of the turn.
Atom 1.0
