They're not a requirement for a good deck, but mythic rares can be the bombs and strategy-accelerating cards you need
Its quite good against tokens, too
Jace Beleren Jace Reawakened Jace, Arcane Strategist Jace, Architect of Thought Jace, Cunning Castaway Jace, Ingenious Mind-Mage Jace, Memory Adept Jace, Mirror Mage Jace, Telepath Unbound Jace, Unraveler of Secrets Jace, Wielder of Mysteries Jace, the Living Guildpact Jace, the Mind Sculptor Jace, the Perfected Mind Space Beleren
Tomato Tomato: Three styles of Old School Magic in three weeks Let me share a story again, as has become my privilege
#1 Goldspan Dragon Goldspan Dragon is my pick for the best card not rotating with Innistrads release
4 Miku, Divine Diva (Rainbow Foil Mythic, Secret Lair Drop 1585) $34.65 Artwork Blessed From The Heavens A few of the cards feature Miku in one of her iconic designs, but others have completely original designs that look incredible and none are as detailed as this Miku, Divine Diva card