Precons are considered to be at bracket two, while mass land destruction is a four, so there is a degree of flexibility on where the effect can be used
Number 21 Language English Legal Formats Commander, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Pioneer, Standard, Timeless Rulings (6/15/2010) Gideon Jura's first ability doesn't lock in what it applies to
Utilizing black, red, and white means Kaalia has access to almost every Demon card
#3 Thassas Oracle Thassas Oracle is a unique card to have this high, but it truly provided a much cleaner and more reliable win condition to a lot of archetypes across different formats