Time Wizard
Level 2 LIGHT/Spellcaster Effect500 ATK / 400 DEF
Once per turn: You can toss a coin and call it. If you call it right, destroy all monsters your opponent controls. If you call it wrong, destroy as many monsters you control as possible, and if you do, take damage equal to half the total ATK those destroyed monsters had while face-up on the field.
Time Wizard of Tomorrow
Level 5 LIGHT/Spellcaster Fusion Effect2000 ATK / 1900 DEF
"Time Wizard" + 1 Effect Monster
Once per turn, while you control this Fusion Summoned card: You can toss a coin and call it. Destroy as many monsters on the field as possible, and if you do, inflict damage equal to half the total original ATK of the destroyed face-up monsters. If you called the coin toss right, your opponent takes the damage, if you called it wrong, you take the damage.