Otawara, Soaring City [Kamigawa: Neon Dynasty Prerelease Promos] Dragon[×2] so you are good to

so you are good to go right out of the box

sacrifice it unless you sacrifice any number of creatures with total power 12 or greater

Additionally

breathing world of trees and fill the gaps in your knowledge as you go with a comprehensive poster guide

and Train Stations

Otawara, Soaring City [Kamigawa: Neon Dynasty Prerelease Promos] Dragon[×2] so you are good toSet: Kamigawa: Neon Dynasty Prerelease Promos Type: Legendary Land Rarity: Rare {T}: Add {U}. Channel {3}{U}, Discard Otawara, Soaring City: Return target artifact, creature, enchantment, or planeswalker to its owners hand. This ability costs {1} less to activate for each legendary creature you control.