Wash Out (Invasion/Planeshift/Apocalypse) Wash Out had one major problem: it was either really really bad or game-winningly good
If that spell is an instant (most likely a kindred instant) or has flash, you'll be able to cast it any time you could cast an instant, even on an opponent's turn

The Crafty Companion to Cheating out Creatures Creature (41) 1x Aetherplasm 1x Artisan of Kozilek 1x Body Double 1x Braids, Conjurer Adept 1x Bringer of the White Dawn 1x Champion of Rhonas 1x Clone Shell 1x Coffin Queen 1x Copper Gnomes 1x Dimir Doppelganger 1x Elvish Piper 1x Emeria Shepherd 1x Goblin Lackey 1x Goblin Welder 1x Hell's Caretaker 1x Jalira, Master Polymorphist 1x Jhoira of the Ghitu 1x Kaalia of the Vast 1x Master Transmuter 1x Mayael the Anima 1x Mindwrack Liege 1x Moggcatcher 1x Myojin of Life's Web 1x Nezumi Graverobber Flip 1x Norwood Priestess 1x Preeminent Captain 1x Reya Dawnbringer 1x Riptide Shapeshifter 1x Seahunter 1x Shadowborn Apostle 1x Sheoldred, Whispering One 1x Shifty Doppelganger 1x Spawnsire of Ulamog 1x Summoner's Egg 1x Tariel, Reckoner of Souls 1x Teneb, the Harvester 1x Thicket Elemental 1x Volrath's Shapeshifter 1x Warren Instigator 1x Yisan, the Wanderer Bard 1x Zoologist Land (6) Sorcery (34) 1x Beacon of Unrest 1x Breath of Life 1x Bribery 1x Defy Death 1x Eldritch Evolution 1x Endless Obedience 1x Exhume 1x False Defeat 1x Genesis Wave 1x Hymn of Rebirth 1x Hypergenesis 1x Life / Death 1x Living Death 1x Living End 1x Madcap Experiment 1x Mass Polymorph 1x Natural Order 1x Obzedat's Aid 1x Polymorph 1x Primal Surge 1x Reanimate 1x Resurrection 1x Rise of the Dark Realms 1x Search for Survivors 1x See the Unwritten 1x Selvala's Stampede 1x Show and Tell 1x Stronghold Gambit 1x Tooth and Nail 1x Torrent of Souls 1x Twilight's Call 1x Unburial Rites 1x Unexpected Results 1x Victimize Instant (11) 1x AEthermage's Touch 1x Corpse Dance 1x Dramatic Entrance 1x Flash 1x Goryo's Vengeance 1x Lure of Prey 1x Reweave 1x Summoning Trap 1x Surprise Deployment 1x Synthetic Destiny 1x Through the Breach Planeswalker (5) Commander (1) Enchantment (20) 1x Aluren 1x Animate Dead 1x Call to the Kindred 1x Dance of the Dead 1x Defense of the Heart 1x Descendants' Path 1x Guild Feud 1x Killer Instinct 1x Lurking Predators 1x Necromancy 1x Oath of Druids 1x Omniscience 1x Pattern of Rebirth 1x Quest for the Holy Relic 1x Quest for Ula's Temple 1x Rooftop Storm 1x Seance 1x Sneak Attack 1x Wild Evocation 1x Wild Pair Artifact (17) 1x Aether Vial 1x Aetherworks Marvel 1x Belbe's Portal 1x Birthing Pod 1x Cryptic Gateway 1x Deathrender 1x Didgeridoo 1x Dragon Arch 1x Gate to the AEther 1x Helm of Obedience 1x Mercadian Lift 1x Myr Turbine 1x Omen Machine 1x Proteus Staff 1x Pyxis of Pandemonium 1x Temporal Aperture 1x Triassic Egg

Currently, it's also the only part of the chamber that's been fully restored, as further repairs have languished due to a lack of funds and support
Note this is only true with non-permanents