If this is in your deck, its worth having a quick Scryfall search to see what other beasts mirror your creatures mana costs
First, check for its rarity level by identifying the edition of the card
The print on the front honestly rivals some of my favorite arts from WOTC
A lot of the new cards in the precon are also floating around the $5 to $15 area, but that can be subject to change after release
In the normal Synchro Summon, the levels of the Tuner monster(s) and non-Tuner monster(s) are added up to be equal to the level of the summoned monster, whereas Dark Synchro Summon subtracts the level of the non-Tuner monster from the anime-exclusive Dark Tuner monster monster's, instead
Should Tyler Gressle seek to sell Tyler, the Great Warrior, the price is his to name, so its value is potentially limitless, making it the rarest and most valuable Yu-Gi-Oh