This sort of mechanic greatly aids design by adding open-ended, situational upside to otherwise identical spells

1 Chaos Warp 1 Reverberate 1 Bile Blight 1 Bituminous Blast 1 Brainstorm 1 Dark Ritual Artifact (10) 1 Drach'Nyen 1 Chromatic Lantern 1 Assault Suit 1 Sol Ring 1 Talisman of Creativity 1 Talisman of Dominance 1 Talisman of Indulgence 1 Worn Powerstone 1 Commander's Sphere 1 Wayfarer's Bauble Enchantment (5) 1 The Horus Heresy 1 The Ruinous Powers 1 Nurgle's Rot 1 The Lost and the Damned 1 Warstorm Surge Land (38) 1 Exotic Orchard 1 Foreboding Ruins 1 Sunken Hollow 1 Barren Moor 1 Crumbling Necropolis 1 Molten Slagheap 1 Temple of the False God 1 Command Tower 1 Dismal Backwater 1 Evolving Wilds 1 Forgotten Cave 1 Path of Ancestry 1 Swiftwater Cliffs 1 Terramorphic Expanse 8 Mountain 8 Swamp 8 Island Blue (3) 1 Lord of Change 1 Heralds of Tzeentch 1 Brainstorm Black (14) 1 Blight Grenade 1 Great Unclean One 1 Mandate of Abaddon 1 Mortarion, Daemon Primarch 1 Nurgle's Conscription 1 Plague Drone 1 Poxwalkers 1 Sloppity Bilepiper 1 Tallyman of Nurgle 1 Venomcrawler 1 Nurgle's Rot 1 Decree of Pain 1 Bile Blight 1 Dark Ritual Red (17) 1 Aspiring Champion 1 Bloodthirster 1 Dark Apostle 1 Keeper of Secrets 1 Khrn the Betrayer 1 Knight Rampager 1 Let the Galaxy Burn 1 Bloodcrusher of Khorne 1 Chaos Terminator Lord 1 Herald of Slaanesh 1 Noise Marine 1 Seeker of Slaanesh 1 Past in Flames 1 Blasphemous Act 1 Chaos Warp 1 Reverberate 1 Warstorm Surge Multi colored (18) 1 Be'lakor, the Dark Master 1 Blood for the Blood God

Includes 1 deck of 100 magic cards as surge foil cards, a collector's booster sample pack of 2 cards (contains 2 cards of rarity rare or higher with alternate card border), 6 double-sided token cards, 1 deck box (with space for 100 cards with sleeves), 1 strategy insert and 1 reference card
High Fae Trickster High Fae Trickster is exceptionally powerful in Commander, including some cEDH shells like Kinnan, Bonder Prodigy and with Bloomburrow commanders like Glarb, Calamity's Augur and Helga, Skittish Seer
Flexibility makes Forth Eorlingas
Only marginally intelligent, they often substitute whimsy for strategy, delighting in mischief and mayhem