Blade of Selves The very first card to introduce the excellent myriad mechanic to Commander and to this day arguably the best myriad card in the game, Blade of Selves enables tons of silly shenanigans
Fair trades should be calculated off prices
The Cub is also perfectly posed to look like a toddler, and that little extra bit of humanity really helps you feel for it
That's nasty, because there is always someone frumping around with a bunch of key permanents to take out, like Primeval Titan, Deadeye Navigator, Elspeth, Sun's Champion, Karn Liberated, the aforementioned Mind's Eye or Sylvan Library, all of their non-lands
Warehouse Krark's Thumb Krark, the Thumbless Mana Clash Mana Crypt Mana Screw Mijae Djinn Mirror March Mirrored Depths Mogg Assassin Molten Birth Molten Sentry Mutalith Vortex Beast Negative Zone Portal Odds // Ends Odds // Ends Okaun, Eye of Chaos Orcish Captain Planar Chaos Plasma Caster Pokey, the Scallywagg (playtest) Puppet's Verdict Rakdos, the Showstopper Ral Zarek Ral, Monsoon Mage Risky Move Scoria Wurm Setzer, Wandering Gambler Skittish Valesk Skyclaw Thrash Sorcerer's Strongbox Squee's Revenge Stitch in Time Tavern Scoundrel Tavern Swindler The Gold Saucer Tide of War Unleash the Flux
So discarding or milling Lhurgoyf creatures gives you a free one, which might be a bit niche, especially since there aren't many creatures in this unique kindred type, but has potential to make big plays