The second most valuable card is Giratina VSTAR UR #261 at approximately $156 (16,000)
In 99% of cases, the extra mana we save from casting Arcane Signet instead of Commander's Sphere will be wasted, I'd rather spend the extra mana now and get a card later
There is one deck that's caught the team's eye that is worth calling out: 4 Ancient Tomb 4 Candelabra of Tawnos 1 Cityscape Leveler 2 Disruptor Flute 1 Emrakul, the Aeons Torn 4 Grim Monolith 4 Karn, the Great Creator 4 Kozilek's Command 2 Manifold Key 1 Pithing Needle 4 Planar Nexus 4 The One Ring 4 Trinisphere 4 Ugin, Eye of the Storms 2 Urza's Mine 2 Urza's Power Plant 4 Urza's Saga 4 Urza's Tower 4 Urza's Workshop 1 Voltaic Key 1 Cityscape Leveler 2 Dismember 1 Ensnaring Bridge 4 Leyline of the Void 1 Liquimetal Coating 3 Mindbreak Trap 1 Mycosynth Lattice 1 Paradox Engine 1 Tormod's Crypt We've seen the newest shape of Colorless Tron surge up the standings of both metagame share and win rate
Fortunately, what mono Red players miss out on when it comes to straightforward card advantage, they end up getting some of the most explosive and unconventional draw effects in all of Magic
That kind of took a back seat with the existential interplanar threat known as the Eldrazi running around