mtg tarkir dragonstorm commander precons All 16 Tarkir: Commanders, Ranked card Collector Booster Sample Pack Wizards of The Coast Magic:

Ignis Scientia

Of the actually good ones this now sees the least play and rightly so I would say

Ophidian Eye

the game has now slowed down for two turns

Light-Paws, Emperor's Voice #1 Magic Online Promo Change Version Light-Paws, Emperor's Voice Legendary Creature Fox Advisor Whenever an Aura enters the battlefield under your control, if you cast it, you may search your library for an Aura card with mana value less than or equal to that Aura and with a different name than each Aura you control, put that card onto the battlefield attached to Light-Paws, Emperor's Voice, then shuffle

Monument to Endurance Monument to Endurance is a crazy good artifact card to build around