I think these products are going to be aimed at children, and will be priced accordingly
Manor Gargoyle So this is yet another unplayable rare(?!) defender that can wake up
Since The Ozolith and the Conclave Mentor are included in standard, you could easily find a way to turn Grakmaw into a monster card that never leaves the battlefield
To win, you can attack with your smaller creatures while building your mana to cast your expensive cards, and win via a massive Shivan Devastator, Tyrant of Kher Ridges, or Dragonwing Glider
You can jump it in during an opponents turn and recast a counterspell or a removal spell from your yard
Whites weaknesses are card draw and ramp , which is why strong white decks usually lean heavily on synergy