Turn it face up any time for its negamorph cost and put a -1/-1 counter on it.) The value of X is determined only once, as Flavor Disaster's second ability resolves
Opaque or colored sleeves can cause delays

Creatures (25) 1 Goldspan Dragon 1 Nadaar, Selfless Paladin 1 Adult Gold Dragon 1 Yuan-Ti Malison 1 Varis, Silverymoon Ranger 1 Hama Pashar, Ruin Seeker 1 Barrowin of Clan Undurr 1 Pixie Guide 1 Acererak the Archlich 1 Midnight Pathlighter 1 Dragonborn Champion 1 Dustin, Gadget Genius 1 Lucas, the Sharpshooter 1 Will the Wise 1 White Plume Adventurer 1 Rilsa Rael, Kingpin 1 Emerald Dragon 1 Tomb of Horrors Adventurer 1 Sapphire Dragon 1 Ancient Silver Dragon 1 Undermountain Adventurer 1 Young Blue Dragon 1 Sword Coast Serpent 1 Stirring Bard 1 Seasoned Dungeoneer Lands (39) 2 Forest 1 Wooded Foothills 4 Plains 1 Reflecting Pool 1 Swamp 1 Mountain 3 Island 1 Krosan Verge 1 Overgrown Tomb 1 Temple Garden 1 Stomping Ground 1 Breeding Pool 1 Murmuring Bosk 1 Jungle Shrine 1 Savage Lands 1 Seaside Citadel 1 Exotic Orchard 1 Misty Rainforest 1 Evolving Wilds 1 Command Tower 1 Sandsteppe Citadel 1 Opulent Palace 1 Frontier Bivouac 1 Blighted Woodland 1 Path of Ancestry 1 Zagoth Triome 1 Ketria Triome 1 Indatha Triome 1 The World Tree 1 Dungeon Descent 1 Overgrown Farmland 1 Hawkins National Laboratory 1 Deathcap Glade Spells (34) 1 Swords to Plowshares 1 Sol Ring 1 Terminate 1 Arcane Denial 1 Nature's Lore 1 Three Visits 1 Ponder 1 Faithless Looting 1 Hero's Downfall 1 Commander's Sphere 1 Fell the Mighty 1 Reality Shift 1 Sword of Dungeons & Dragons 1 Unbreakable Formation 1 Time Wipe 1 Arcane Signet 1 Treasure Chest 1 You Find a Cursed Idol 1 Mimic 1 The Deck of Many Things 1 Contact Other Plane 1 Barbarian Class 1 Cleric Class 1 Wizard Class 1 Ranger Class 1 Eye of Vecna 1 Hand of Vecna 1 Diviner's Portent 1 Bag of Tricks 1 Monster Manual 1 Dungeon Delver 1 Acolyte of Bahamut 1 Sarevok's Tome 1 Spelunking Here are the deck stats from our friends at Archidekt: What Commander decks have you built that pay homage to your favorite fandom outside of Magic

During your opponent's Main or Battle Phase (Quick Effect): You can Fusion Summon 1 "Ninja" Fusion Monster from your Extra Deck, using monsters from your hand or field as material
Neither deck can deal with our flying creatures well, but both put on a ton of pressure right away, so the speed that Aether Vial provides is more beneficial than the strength of Collected Company in these matchups
Upheaval and Rebuke are sorcery mass bounce spells that will bounce everything including lands (Upheaval) or not (Rebuke)