yugioh continuous trap cards cannot be destroyed The Door of Destiny [WSUP-EN031] Secret Rare – Media Reload Continuous Trap Card | Yu-Gi-Oh!

Lets do a little Prototype lightning round of the better examples to kick things off: Autonomous Assembler Likely better in multiples, which doesnt really do much for us here in Commanderland outside of goofball Assembly-Worker decks

2 Traditional Foil + 98 nonfoil cards 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil special treatment card of rarity Rare or higher and 1 Traditional Foil alt-border Uncom

Yes, he's scary, but his copy trigger is off death, not 'leaves the battlefield,' which means there are a lot of easy ways to remove him and not care about his trigger at all

Thats why it often appears on cards named things like Acidic Slime and Elderfang Venom