We went this route ourselves and have a complete Marowak EX deck and a Dragonite deck, both of which made our best decks list, but nabbed none of the cards necessary for a Mewtwo EX deck, so your results may vary
[6] Lets say a player casts Silence the Believers targeting three cards with wardward 2, ward 2, and ward sacrifice a creature, respectively
Rather than aiming to take out opponents as quickly as possible, Control decks aim to 'control' the board, depriving opponents of key resources through removal and counter spells, preventing opponents from assembling their win-conditions while assembling a win-condition of your own
Getting graveyard hate with your mana ramp and color fixing gives this Phyrexian beast a role in casual decks
I bring this up because Timmies tend to pull more toward the linear side, while Johnnies pull more toward the modular side