Note that there is a difference between how many cards can be designed for a mechanic and how many make sense within any one set
As detailed above, The List for BLB consists of cards from SPG.* 3 Uncommons 1 Wildcard of any rarity 1 Rare or mythic rare 1 Traditional foil of any rarity 1 Seasonal full-art basic land Spring 40% Non-foil 32%, traditional foil 8% Summer 30% Non-foil 24%, traditional foil 6% Autumn 20% Non-foil 16%, traditional foil 4% Winter 10% Non-foil 8%, traditional foil 2% 1 Non-foil token or art cardcan be any of the following: Ad/token card (65%) 54 Art cards (30%) 54 Signature art cards (5%) *Starting with Bloomburrow , de-archived cards, commonly known as The List cards, which feature the Planeswalker stamp in the bottom-left corner will no longer appear in Play Boosters
If you love having options and aren't scared of a complicated deck, then Jump Scare is an extremely solid precon choice
Valgavoth, Harrower of Souls Valgavoth, Harrower of Souls does so much work and the ward cost means you opponent can't just Flame Slash Valgavoth
It will also make anyone who played competitively in 2000 wince and grin at the same time
The Orzhov work as both a bank and the main church of the plane