Also, note that the graveyards are still your opponents
$31.01 90 Days Low $35.35 Daily Low $44.85 Market Price Evolving for the Gyarados V card, the VMAX version is a very tanky option when sitting at 330 HP
Decklist: Boros Mentor in Modern Creatures (24) Goblin Motivator x3 Goblin Banneret x4 Sunhome Stalwart x4 Boros Challenger x4 Legion Warboss x2 Tajic, Legion's Edge x2 Truefire Captain x3 Benalish Marshal x2 Instants (9) Lightning Strike x4 Make a Stand x3 Lava Coil x2 Enchantments (3) Lands (24) Plains x8 Mountain x8 Sundown Pass x2 Sokenzan, Crucible of Defiance Needleverge Pathway x4 Eiganjo, Seat of the Empire Sideboard (15) Heroic Reinforcements x4 Goblin Motivator Valorous Stance x2 Deafening Clarion Swiftblade Vindicator Act of Treason x2 Run Amok x2 Leyline of Lightning Leyline of Punishment I found a Modern Boros mentor deck on Amazon and tweaked it a little
Playing Yamato, fill the trash in turns 1-3
For example you could start with a Build & Battle Kit which includes a 40 card deck and booster packs to build your deck, and eventually get Level 3 theme deck like the popular Mew VMAX League Deck
What were really trading here is time for mana
