mtg blink a manifested card of an Eye | Dominaria draw a card. I've always loved the idea

The Ozolith can help you generate infinite +1/+1 counters in this way

One non-dragon commander that may like the Hellkite is Child of Alara, a WUBRG deck that may wipe the entire board to start things over, then reanimate threats like Two-Headed Hellkite to resume the offensive thanks to haste

Illumineers Trove: 8 booster packs plus a full art storage box, card dividers, themed damage dice, and a spin dial lore counter

Perhaps the closest comparison are super-deluxe limited-edition versions of games

It does cost a bit of mana to cast, but once it's on the battlefield, Lier, Disciple Of The Drowned becomes an instant threat with how much recursion it gives you