Cards like Kalonian Hydra and Communal Brewing can significantly increase the number of +1/+1 counters on a creature, so you can focus on Twenty-Toed Toad and get a win in a couple of turns
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C Common Flower Cardian Clover with Boar X DARK Level 7 [ WarriorEffect ] ATK 1000 DEF 1000 Cannot be Normal Summoned/Set
Chaos Core X DARK Level 3 [ FiendEffect ] ATK 0 DEF 0 When either player activates a card or effect that targets this card, or when your opponent's monster targets it for an attack (Quick Effect): You can send up to 1 each of "Uria, Lord of Searing Flames", "Hamon, Lord of Striking Thunder", and "Raviel, Lord of Phantasms" from your hand and/or Deck to the GY, and if you do, place 1 Phantasm Counter on this card for each card sent to the GY, and if you place at least 1, you take no battle damage this turn
Get extra value by playing Carpet of Flowers during your first main phase so you can get mana during your second main phase