Certain cards can only be used during a certain phase, certain cards break certain phase rules, that sort of thing
A sports card with $400 / $150 / 55% (PSA 10 Value / PSA 9 Value / Gem Rate) will have the exact same Expected Value as a Pokmon card worth $400 / $150 / 55%
Esper is also arguably the best color combination for control, especially if you want tutors to win with combos
Mist Valley Shaman Mist Valley Shaman Winged Beast TunerEffect C Common SR Super Rare SE Secret Rare Related Cards View as Gallery View as List Mist Condor X WIND Level 4 [ Winged BeastEffect ] ATK 1400 DEF 400 You can Special Summon this card from your hand by returning 1 face-up "Mist Valley" monster you control to the hand
Unlocking Rental Decks To unlock Rental Decks, you need to collect (or unlock them with Pack Points) each decks associated core card or cards
But here's where it gets interesting because top-graded English cards are harder to come by, they can actually command a premium when they do exist