But the way you designed this I don't think you'd run both the Level 8s and Level 4s, would cause too much inconsistency
Banning or restricting either card would cripple the D-Reaper and Vortex archetypes, so by banning the pairing you can keep those decks viable while forcing control decks that relied on that brick wall to look into other options
2002 Starter Deck Yugi & Kaiba scell dorigine Dcouvrez une pice exceptionnelle de lhistoire du Yu-Gi-Oh
Murasa Plane Zendikar Whenever a nontoken creature enters the battlefield, its controller may search his or her library for a basic land card, put it onto the battlefield tapped, then shuffle his or her library
The Demons Mirror Monster borderless variant is its most expensive
(Place this Tamer as that Digimon's bottom digivolution card if there are no Tamer cards in its digivolution cards.) Lower Text [All Turns] While this Digimon has the [X Antibody] or [DigiPolice] trait, it gains Alliance and Reboot