yugioh quarter century stampede most expensive cards Pantheism of the Monarchs Secret Rare Price & Card Details — Quarter Century But this time Hi Five the Sky Quarter

Making it bigger means its less likely to die to any blockers, and trample lets it trigger its ability even when it is blocked

As for the sideboard, I would recommend being prepared for three things: problematic permanents, counterspells, and red spells

If an artifact or creature you control has a mana ability with in the cost, activating that ability while casting a spell or activating an ability with waterbend will result in the artifact or creature being tapped before you pay the spell's costs

6/75 Kabutops

Most TCGs do this, and any cards that go above the sets official numbering are known as Secret Rare cards

Dragon of Mount Gulg / Ancient Copper Dragon (FCA) $82 Ancient Copper Dragons price flatered a little, but still landed it in the #2 slot