mtg nemesis booster box | Insert and cards with alternative casting costs MTG MAGIC THE GATHERING NEMESIS

While they are a slick way for spells and abilities to interact with the permanents that have them, oil counters themselves don't have any special rules significance

However, the real star here is the Doubt/Conviction mechanic

If a card allows you to interact with any enemy engaged with an investigator, it will specify that

C Common C Common Related Cards View as Gallery View as List Crimson Dragon X LIGHT Level 12 [ DragonSynchroEffect ] ATK 0 DEF 0 1 Tuner + 1+ non-Tuner monsters If this card is Special Summoned: You can add 1 Spell/Trap that mentions "Crimson Dragon" from your Deck to your hand

Fogey has Phasing, an ability that makes him available to fight this turn but not in the next, which is beautifully analogous to an old persons need to take a long big nap