Dragons Rage Channeler works really well with previously mentioned Unholy Heat, since both care about Delirium, and they help each other out reaching that common purpose
Want an idea of what you should play next
Here are some of my favorites: Ezuri, Claw of Progress, Oathsworn Giant, Tower Defense, Bar the Door, Solidarity, Accorder's Shield, Cathar's Shield, Slagwurm Armor, Warmonger's Chariot, Dragon Throne of Tarkir, Hold the Gates, Spidersilk Armor, Builder's Blessing, Sight of the Scalelords Beatdown: Abzan Beastmaster, Ulvenwald Observer, Mentor of the Meek Card Draw: Marble Titan, Meekstone, Ensnaring Bridge, Crackdown Disruption: Tetsuko Umezawa, Fugitive, Writ of Passage, Sidar Kondo of Jamuraa Evasion: Trostani, Selsenya's Voice, Angelic Chorus Lifegain: Meishin, the Mind Cage, Eland Umbra Protection: Reveillark, Dusk // Dawn, Colfenor's Urn Recursion: Elspeth, Sun's Champion, Retribution of the Meek, Slaughter the Strong, Fell the Mighty, Wave of Reckoning, Solar Tide, Dusk // Dawn Removal: Blink Subtheme Arcades, the Strategist lets us draw a card whenever a defender enters the battlefield, so it's tempting to go all-in on that ETB trigger by running Panharmonicon for double the triggers and stuff like Brago, King Eternal and Momentary Blink for maximum value
Delirium is an ability that typically provides a beneficial effect when there are four or more card types among cards in your graveyard
Even still the experience of playing with them is super fun and evocative and Im excited to work these into some Cubes
Also, if youre playing partners or Choose a Background pairs as your commander, this can save a significant amount of commander tax later in the game
