Of course, Magic adds new game mechanics to practically every release
8 Dragonback Assault = Repeatable Dragons Standard A very simple two-card synergy between Dragonback Assault and Encroaching Dragonstorm nets you tons of lands and a whole army of Dragons to look forward to
Want an extra diabolical touch
The titans we know of are Uro, Titan of Nature's Wrath, Kroxa, Titan of Death's Hunger, and Phlage, Titan of Fire's Fury
There are some nice synergies that the Knight type can grant you, The Circle of Loyalty etc., so this could see Commander play for that reason
For years, MTGA ate up wild cards if you wanted a specific art for a card you already had four of with the default treatment, now you can collect any printing of a card and it counts for one copy of any style you have of that card