Sonic Screwdriver Sonic Screwdriver is a handy little rock from Doctor Who that belongs in every miscellaneous drawer
You also get quite a few ways to ensure that you can sneak some bonus triggers and poison counters in through simple spells like Prologue to Phyresis, which just gives each opponent a poison counter, and Blighted Agent, an unblockable creature with infect.
Its use comes in being able to keep control of the board state and deal with problematic artifacts and enchantments
Primevals' Glorious Rebirth Primevals' Glorious Rebirth gets everything legendary, so planeswalkers, that popped Bolas's Citadel., etc
This is different than how the mana value of a nonmodal double-faced card is determined
Long-time readers will know that Edric is one of my favorite commanders: he was one of the first commanders I ever built and was one of the first Budget Commander primers I wrote on this site