Online resources like EDHREC are perfect for finding powerful, popular cards you might've otherwise missed, but it's also great to go completely off-piste, figuring out different interactions between niche cards, and building something that's entirely your own
In a world where serialized cards are becoming more and more common, how much do you think this card should be worth
Additional cards worth considering are Heavy Storm Duster (target up to two spell and trap cards on the field and destroy them, but you cant conduct your battle phase in the turn this card was activated), Solemn Judgement, Solemn Warning and Solemn Strike (each offer negation for the cost of life points), as well as the continuous trap cards Gozen Match and Rivalry of Warlords (which each force players to control either one attribute or type of monster, sending all others to the graveyard)
To put it into perspective, there are 118 unique cards that reference "power four or greater," 10 that reference power six, and 16 that reference power eight
Imagine that