No matter whether they could draw six or mill six, either way, they would gain a huge advantage in Dragon Ruler decks, as all of their summoning effects could activate from the graveyard as well as the hand.
In other words, you can swap evolution cards which is a great thing if you are running two different types of the same Pokmon, such as Umbreon for example, in the same deck
This is why I completely underrated Edgar Markov
The big tech choice that is notable in this list in particular is Spell Shattering Arrow in the side deck
Aikido yaam gc ile btnleme yolu
Protector of The Agents - Moon X LIGHT Link 2 [ Fairy / LinkEffect ] ATK 1800 DEF - 2 Fairy monsters If this card is Link Summoned: You can send 1 "The Sanctuary in the Sky" or 1 card that mentions it from your Deck to the GY, or if "The Sanctuary in the Sky" is on the field or in either GY, you can add 1 "The Agent of Mystery - Earth" from your Deck or GY to your hand instead