These price increases are likely the result of players picking these decks up as their intro to competitive Pioneer
Evolving Wilds FTW Creatures (11) Zof Shade x2 Indulgent Tormentor Stormtide Leviathan Jorubai Murk Lurker x2 Gravedigger Necromancer's Assistant Gargoyle Sentinel Witch's Familiar Wall of Frost Instants (5) Lightning Strike Negate Dissipate Unmake the Graves Flesh to Dust Sorceries (4) Festergloom Divination Covenant of Blood Sign in Blood Enchantment (1) Lands (19) Evolving Wilds x3 Mountain Island x7 Swamp x8 As Reid Duke himself describes here in greater detail, this was an unusual decision that he attributed to his high mana curve, several mana sinks, solid density of card advantage, and light red splash
Lifelink helps you stabilize while the connive counter turns it into a serious attacker later
If the fall set brings us a bunch of sweet new Elves and Goblin Chainwhirler ends up either banned or forced into the fringes of the format, then we can talk
With an astounding ten mana rocks and two creatures which can generate mana as well, you'll rarely struggle with mana unless you can't draw lands for the first several turns
Unlike the brothers and their meld requirements, Titanias conditions are the cheapest and can potentially happen fastest