Tom Nook, Raccoon Tycoon

Nook Inc.-Whenever a land enters the battlefield under an opponent's control that player loses 1 life, then that player may choose to have you gain 2 life. If that player doesn't, the land enters the battlefield tapped.
At the beginning of your upkeep, if you control 10 or more lands, create a colorless Treasure artifact token with "{t}, Sacrifice this artifact: Add one mana of any colour to your mana pool."
{1}{w}{g}: Each player may search their library for a
land card, reveal it, then put it in thei