The reason these cards pair so nicely is very simple
Now, what will get played in the Command Zone more than this guy
Straight out of the gate, Unrivaled Lethality doubles all damage that this card deals (and that can stack with double strike), not just combat damage, making it actually more like a 4/2 for three mana, but thanks to its next ability to easily get more counters when it deals damage to another creature which can quickly make this card a powerhouse
back onto the field allows Luffy to play more aggressively in a short amount of time
Inferno TitanInferno Titan (42,108 decks) is a classic target, letting us bolt a blocker on both entry and attack, softening up an opponent in the process
Rules 03/16/18 You cant cast Epic Confrontation unless you choose both a creature you control and a creature you dont control as targets