With opponents fielding sizable blockers and cheap removal in short supply, Ragavan's ability to make an impact may be more Limited
Creature - Elemental Giant Vial Smasher the Fierce Whenever you cast your first spell each turn, choose an opponent at random
A lot of decks have to play a big number of high-cost cards to see them as often as possible, subjecting your deck to possibly bricking, but with Luffy, you can tone down the amount of cards you play since you can search him with Nami or In Two Years
Turn one, Ruin Crab, turn two, Persistent Petitioners, turn three, you can play one more advisor and another crab, and then turn four you get two more Petitioners
Chain of Vapor The cycle of chain cards are each removal of one form or another that allows the affected player to copy the spell
The triggered ability goes on the stack before the spell resolves, and there is free timing before the spell resolves, so if you are triggering this with a combat trick that has an untap effect, don't forget to fire one off before the spell
