During your Main Phase: You can add up to 2 face-up Pendulum Monsters from your Extra Deck to your hand, with Levels between the Pendulum Scales of the 2 cards in your Pendulum Zones, also for the rest of this turn, until you Pendulum Summon, you cannot activate monster effects, and the effects of any cards in your Pendulum Zones are negated
You can only use 1 "Dragonmaid Tidying" effect per turn, and only once that turn
Even if you don't manage to end the game through the beatdown, you can link off the gates into a free Link 4 monster during your second main phase to keep the advantage rolling
If I had to choose one of the mentioned cards, I might choose Illusionist's Gambit because it feels like a better fit in a blue-colored control deck, rather than Boros which is usually aggressive
For example, if a player decides to include the necessary resources for ritual summoning, they could include the more powerful Blue-Eyes Chaos MAX Dragon to upgrade upon the already formidable Blue-Eyes White Dragon
