There's been a surprising amount of red ramp recently, so playing this six drop ahead of the curve and refilling your hand is distinctly possible - with some counterspell protection from Cavern of Souls, of course
10 Miraidon One Zap, Two Targets Miraidon, being a Basic Pokemon, hits the field fast
If you want to dive really deep into Sealed, here are a few articles you can check out to learn even more: "Sealed Deck" "How I Break Down My Sealed Pool" "Prerelease Prerogatives" "Sealed Deck Reality Check" "Foundations The original "Prerelease Primer" Two-Headed Giant Some stores also support a version of Sealed Deck called Two-Headed Giant (often abbreviated "2HG"), where two players team up against another pairs of players
1 Factory-Sealed Foundations Commander Deck Carton Containing
If our opponent managed to gain some life, we can always flash back the Explosive Singularitys to deal another 20 damage to make sure the game ends, hopefully on Turn 4