Yveltal in particular is a card of great value, as it plays a role in two of the XY league's top strategies
I also have Gilded Lotus, Stonespeaker Crystal and Sol Ring doing multiple mana in one rock
If you understand them, it will save you time
Its perfect for when board wipes happen
R/W Aggro | 2014 Standard | Michael Flores, 3rd Place SCG Super IQ Creatures (18) 3 Brimaz, King of Oreskos 3 Heliod's Pilgrim 4 Monastery Swiftspear 4 Seeker of the Way 4 Wingmate Roc Planeswalkers (2) 2 Chandra, Pyromaster Instants (12) 4 Lightning Strike 4 Magma Jet 4 Stoke the Flames Enchantments (4) 4 Chained to the Rocks Lands (24) 1 Plains 10 Mountain 1 Evolving Wilds 4 Battlefield Forge 4 Temple of Triumph 4 Wind-Scarred Crag Sideboard (15) 2 End Hostilities 2 Sarkhan, the Dragonspeaker 3 Elspeth, Sun's Champion 2 Chandra, Pyromaster 4 Erase 2 Arc Lightning I played Heliod's Pilgrim in a Standard Boros deck years before any of my Modern finishes with Boros
Faldorn is definitely the most niche of all four preconstructed decks, just because exile-matters and Wolf tribal arent exactly two archetypes you see so close together