For now, Im having a hard time tiring of the formats currently offered, especially since the current Magic set is so much fun
C Common Tenmataitei X DARK Level 5 [ WarriorEffect ] ATK 2400 DEF 1000 Your opponent cannot activate cards or effects in response to the activation of any monster effect activated by a monster that was Normal Summoned/Set
Once per turn, when your opponent activates a card or effect (Quick Effect): You can Special Summon 1 "Solfachord" card with an odd Pendulum Scale from your Pendulum Zone to your zone this card points to, and if you do, negate the activation, then you can add 1 "Solfachord" Pendulum Monster with an even Pendulum Scale from your Deck to your face-up Extra Deck
Clandestine Meddler: relevant type lines on a suspect engine piece
As it is a ritual monster, at least two cards are going to be needed in order to get it out on the field, but it will very likely end up needing three or four
Many of the best White control cards are actually Gold cards like Doom Foretold, Teferi, Time Raveler, and Oath of Kaya