With plenty of red mana, you can chain Goblin sacrifices to get a ton of creatures in play as well as multiple death triggers
Thrun is one such card but apparently I was in the mood for Dungrove Elder and that was all I had room for in that department
There are a lot of them running around, and that makes this even more abusable in an artifacts shell
Along with all of the awesome cards of Ikoria and their foil versions, you can get showcase mutate cards, borderless planeswalkers and borderless Triomes in both foil and non-foil
(6/18/2021) If Out of Time leaves the battlefield before its enter the battlefield trigger resolves, creatures will untap, but they won't phase out
Whenever another card instructs the player to "venture into the dungeon," they advance to the next room and trigger the effect listed