This guy made blue control decks virtually unplayable for a full year in Standard, until Tsabo's Decree finally saw print, mainly as a hoser for the Rebel deck fuelled by the Sergeant
Then if an opponent controls more lands than you, repeat this process once
For example, even if we interpreted your library as part of the battlefield for this purpose, slipping one into the card sleeve of a card in your library during a search effectively marks your deck, and that's not allowed
The other is from the Sword & Shield promos set, where it looks comfortably curled up
Its one mana, straight to hand
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