These abilities can help you be able to get through and/or make the creature better when it gets bigger
Letting one Bolas Citadel in play is already a big threat, so having one in the command zone you can cast over and over again should be classed as a war crime
This particular combo, discovered by Reddit user nagCopaleen, is based on the new day and night cycle introduced in the Innistrad: Midnight Hunt expansion, and it goes like this: Cast The Celestus Cast 4x Component Collector Cast Brimstone Vandal Activate the 3-mana ability on The Celestus Untap it with Component Collector and add mana with The Celestus (repeat four times) Spend three mana to activate the day and night ability on The Celestus Rinse and repeat steps 4-6 During each change of day and night cycle Brimstone Vandal will deal damage to your opponent, and since the cycle is infinite, you can easily OTK your opponent this way
The enchantments offer even more card advantage against control decks
If I've got a few creatures with all creature types, I can tutor up pretty much any card I want
However, if you do and all of the targets are illegal when the ability tries to resolve, it won't resolve and none of its effects will happen