Lands - 38
Flare of Denial $36.50 Surprisingly, Flare of Denial is the only entrant from MH3's Flare cycle of free spells to make the list, but its easily the best one coming out of the gate
Even very controlling 18-land decks can just be 18 lands plus several cards that draw or fetch lands for you (Cultivate, Field Trip, Pop Quiz with access to Environmental Sciences, etc.) and skip the 19th land
The recurring value-oriented nature of Sun Titan targets lend themselves naturally to Restoration Angel-based strategies, such as Yuuya Watanabes U/W Control deck from Worlds 2015: Creatures (16) Lands (26) Spells (18) While Dragonlord Ojutai is sturdier, Sun Titan can be invaluable for going over the top of opponents, for actually ensuring hes got enough advantage to close it out
Rakdos decks in particular that like to mill opponents could see some use out of this, and the Rogue typing opens up certain shells for it to shine
Diablo comes with a number of abilities, including Shift and Evasive, making him hard to challenge and even harder to get rid of
