Whenever a card would go to their hand (they drew it, it got bounced, etc.) that player can put the card anywhere in their program they wish
I have only seen the chaining of Chain Lightning be relevant on a couple of occasions and only once in a significant capacity
$9.49 Goblin Trashmaster Core Set 2019 $9.99 General Kreat, the Boltbringer Foundations Jumpstart $0.49 Molten Gatekeeper Modern Horizons 3 $0.99 Siege-Gang Lieutenant Modern Horizons 3 Commander Decks $4.99 Impact Tremors Dragons of Tarkir $2.29 Weftstalker Ardent Edge of Eternities $1.49 Goblin War Strike Scourge $1.79 Witty Roastmaster Streets of New Capenna $8.99 Warleader's Call Murders at Karlov Manor $15.99 Muxus, Goblin Grandee (Jumpstart) Mystery Booster/The List $1.79 Battle Hymn Avacyn Restored $4.99 Impact Tremors (0044) Wilds of Eldraine Enchanting Tales 0 results found
Obviously Chainwhirler is their best card, but have you seen the rest of Mono-Red
2 - Wan Shi Tong, Librarian (Borderless) - $ The same card as number 5 on this list, this borderless variant looks even betterbut will set you back around $90 1 - Neon Ink Foil Cards - $2,000 and up If you crack open a pack and find a Neon Ink Foil version of Aang, Swift Savior , Fire Lord Zuko , Katara, the Fearless , or Toph, the First Metalbender , theyre going for $2,000 and up right now - good luck