Even better, the first spell with flash or instant spells you cast on your opponents turn also gain cascade, letting you gain double the value even when its not your turn
However, for official tournaments and events, proxy cards are not allowed
While there may be other cards that offer similar effects, the combination of card draw, hand size increase, and free spell casting makes Power Without Equal a strong contender for inclusion in decks that can take advantage of its abilities
The fact that the Limitless Online Series is a free online tournament also contributes to making players feel more relaxed and comfortable using decks outside Tier 1
Most decks that can shrug off the more powerful hand traps to this degree tend to be heavier control decks / anti-meta decks with relatively low ceilings as a tradeoff
(This is treated as a Fusion Summon.) Miracle of the Supreme King X TRAP If you control "Supreme King Z-ARC": Activate 1 of these effects (but you can only use each effect of "Miracle of the Supreme King" once per turn)