The Dark Emperor

Select and activate 1 of these effects: 1) Change the Battle Position of 1 face-up monster your opponent controls. 2) Tribute 1 monster. Select 1 face-up monster your opponent controls. Take control of it until the End Phase.

Discard 1 card. Destroy all face-up monsters your opponent controls.

Pay 800 Life Points. Select 1 face-up monster your opponent controls. Take control of it until the End Phase.

Any monster sent to the Graveyard is removed from play instead.

You can choose to negate the activation of an Effect Monster's effect that activates when a monster is Normal Summoned (including itself). If you do, that Effect Monster's controller draws 1 card.

Pay half your Life Points. Special Summon as many of your removed from play monsters as possible. During the End Phase, remove from play all monsters that were Special Summoned by this effect.

Activate only when a monster is Summoned. Destroy all monsters on the field.

When your opponent Summons a monster(s) with 1500 or more ATK, destroy and remove from play the monster(s).

Activate only when your opponent's monster declares an attack. Destroy the attacking monster.

Discard 1 card. Remove from play 1 face-up monster your opponent controls. Then, Remove from play any cards in your opponent's Graveyard with the same name as that monster.

Inflict 300 damage to your opponent for each of their removed from play cards.

You can Special Summon 1 Helios - The Primordial Sun from your hand or Deck when you activate this card. While this card is on the field, any card sent to the Graveyard is removed from play instead.