A playable version of horakhty

[Shadowring]

"Slifer, The Sky Dragon" + "Obelisk, The Tormentor" + "The Winged Dragon Of Ra"
Must be Special Summonned by tributing the above cards (you do not use "Polymerization") and cannot be Special Summoned by other ways (This is treated as a Fusion Summon). When this card is Special Summoned, destroy all cards your opponent control, then you can pay any amount of life points; this card gains ATK/DEF equal the amount of life points you paid.  Cannot be targeted by, and is unnafected by other card effects. Gains 1000 ATK/DEF for each card in your Hand. The ATK/DEF of all monsters your opponent control becomes 0, also each time your opponent  Normal Summon/ Set, Flip Summon or Special Summon a monster OR activate a Spell/Trap card, destroy it. You can pay 1000 LP to apply 1 of the following effects (Quick Effect);
● Sent 1 card on the field to the GY;
● Banish 1 card on the field  face-down;
● Tribute 1 card on the field.
During your next Standby Phase, return this card to your Extra Deck. Neither piayer can activate cards or effects in response to this card Special Summon or effects activation.