While the "ease of flipping" category is, in large part, a product of the number of defense counters on the battle (battles range from three to seven defense counters, and a battle with three defense counters will be much easier to flip than one with seven), it also takes other factors into consideration, like whether the battle makes creatures (if so, we can use them to help defeat the battle, making it easier to flip) or whether the battle acts as removal (which can get a blocker out of the way, making it easier to attack and defeat the battle)
(During your turn, you may pay and exile it from your hand face down
(2014-11-24) Unlike a face-down creature that was cast using the morph ability, a manifested creature may still be turned face up after it loses its abilities if it's a creature card
Full Art trainer cards are always a treat to collect and Iono was destined to place high in price
And while he is on the field, he can quest for two lore, which is not too shabby
Feed your Inner Eldrazi Beast