new one piece booster box OP-10 Royal Blood 04 Kingdoms of Intrigue! Emperors in the New World

In this case you become the new controller of the card, but it is still owned by the player who started with it in their deck (or the player who created it, in the case of a token)

That said, there could be room in the format for a mono-green deck with Nissa and Nykthos

Ugin's Labyrinth is the Sol Ring of lands, creating two colorless mana, provided you can exile a seven mana colorless card from your hand as you play it

A one-sided board wipe is already incredible, but the cards you draw just bury your opponent

Pact of the Serpent can be painful but usually worth it because Relentless Rats doesnt usually go lethally wide