Although this decks meta presence in Japan and Asia-Pacific has slightly declined as of late, this is likely an outlier as due to its neutral matchup against the new Green/Purple Luffy deck, the drop-off is likely not indicative of a meta trend
While damage can still accrue if your opponent has a card with a 'damage can't be prevented' effect, that damage still can't be dealt until the Terefi's Protection has been lifted on your next turn, and your lifetotal can be adjusted again
What Is Rakdos Good At in MTG
Becoming the monarch is good, but this card truly shines in an aggressive deck that aims to win via combat damage, which taps into Aragorn, King of Gondor's red and white mana most of all, while blue is support
Here are a few cards that either benefit from being in exile, go to exile to be safe from removal, or pull cards from exile like another draw pile