Putting mana rocks in your deck isnt difficult, though, and thats before we talk about things like Basalt Monolith
The best selections are a combination of cards you want and cards you dont have
Without the many strong artifacts like Caltrops, Al-Abara's Carpet, Horn of Deafening, Farseek Mask, Leonin Bladetrap and more, wed have a great idea for punishing attackers or keeping yourself safe with very few tools to actually make it work
Dont use the Thirteenth Doctor Casting a spell from anywhere but your hand is now keyword Paradox and the combination of The Thirteenth Doctor with Yasmin Khan looks like it sets you up for a successful value engine
The only major downside to Griselbrand, outside of its legality issues, is that the card is very hard to cast
While you automatically assume he is killing artifacts and enchantments he is just as useful at dealing with planeswalkers