Dragon can spend two mana to deal a damage to a creature
Last week while sharing my Etali, Primal Conqueror deck and sharing my love of Gruul commanders, I mentioned I had a Kibo, Uktabi Prince deck that was unfinished, in progress as it were
Plus, gently milling stuff is great at ending tricks like a Sensei's Divining Top on a library or tutors that put the card on top
#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
It exists in a similar vein to Bristly Bill, Spine Sower in that it rewards you for playing the game with countersthough its weaker than Bill
Invasion of Karsus is a typical three mana red wrath, but for four