mythical beast yugioh deck Yu-Gi-Oh! - Medusa - SR08-EN009 - Common - 1st Edition may be 1st or Unlimited Edition Mystical Beast of the Forest

WATER monsters historically have had effects relating to long-term resource games while locking down the opponent

Destroy 1 "Roland" monster you control, then Special Summon in Defense Position up to 3 FIRE Warrior monsters from your Deck, whose total Levels equal 9, but their effects are negated, also, until the end of your next turn after this effect resolves, you cannot Special Summon monsters, except Warrior monsters

C Common Elemental HERO Steam Healer X WATER Level 5 [ WarriorFusionEffect ] ATK 1800 DEF 1000 "Elemental HERO Burstinatrix" + "Elemental HERO Bubbleman" Must be Fusion Summoned

Fiend/Synchro/Pendulum/Effect

Verre Magic & Triple Tac are both rising in usage, and as the best deck to use either of them, you get to feel competent