There are about seven or eight mythics per collector booster box
Due to entering the battlefield as a land, Arixmethes can offer solid mana ramp while being rather difficult for opponents to remove
Brokkos, Apex of Forever Brokkos, Apex of Forever Chevill, Bane of Monsters General Kudro of Drannith Gyruda, Doom of Depths Gyruda, Doom of Depths Illuna, Apex of Wishes Illuna, Apex of Wishes Jegantha, the Wellspring Kaheera, the Orphanguard Keruga, the Macrosage Kinnan, Bonder Prodigy Kogla, the Titan Ape Lurrus of the Dream-Den Lutri, the Spellchaser Nethroi, Apex of Death Nethroi, Apex of Death Obosh, the Preypiercer Rielle, the Everwise Snapdax, Apex of the Hunt Snapdax, Apex of the Hunt Umori, the Collector Vadrok, Apex of Thunder Vadrok, Apex of Thunder Winota, Joiner of Forces Yidaro, Wandering Monster Yidaro, Wandering Monster Yorion, Sky Nomad Zilortha, Strength Incarnate Zirda, the Dawnwaker
If youre less interested in tutoring for specific creatures, Heirloom Blade is the perfect tool for incidental value
Rakdos goblins often mess with sacrifice outlets, so theres always something decent to recur
