Don't forget the value of Hidden Dragonslayer generally, as well as in a shell like this
They each ramp any land untapped - no sacrifices or anything else - just get what is needed for that situation
There are lots of moving parts in this deck but to put it simply, the heavy ramp focus allows you to quickly build your board and Omos capacity to tack an everything counter on lands and creatures has plenty of opportunity for payoff
Main Deck: 40 Monsters: 15 3 Fantastical Dragon Phantazmay 3 Rescue Rabbit 1 Test Tiger 3 Gladiator Beast Andal 1 Gladiator Beast Bestiari 1 Gladiator Beast Attorix 1 Gladiator Beast Darius 2 Gladiator Beast Augustus Spells: 24 3 Mind Control 3 Called by the Grave 1 Double or Nothing
And through Pokemon and playing so many games all the time - the repetition, the creativity behind it - he knows that a loss doesn't define who he is, and it doesn't even define what happens next
Each trade is a step forward, and the goal is to build value through smart, fair trades