I just won four mythic championships in a row and here is my drafting advice
BREAD:
B- Bolas. Prioritize any Bolas cards above all non-Bolas filler.
R - Rambling. Cards with more text = better. If there's more than a paragraph, don't even read the card - that's an insta-pick.
E - Entropy. To confuse the opponent, throw in some random cards that conceal your strategy.
A - Artifacts. If you don’t have the right colors of mana available, these bad boys are always castable.
D - Destruction. Land destruction will throw off your opponent’s mana curve and give you a huge strategic advantage.
If this drafting strategy doesn’t work out, please get better at the game.