Tithe [Visions] Serpent where X is that spell's

where X is that spell's mana value

Set: Battlebond Type: Enchantment Rarity: Rare Cost: {3}{R} Whenever an opponent taps a land for mana

Counter target spell if its mana value is X

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {X}{R} Rolling Earthquake deals X damage to each creature without horsemanship and each player

Tithe [Visions] Serpent where X is that spell'sSet: Visions Type: Instant Rarity: Rare Cost: {W} Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards, put them into your hand, then shuffle.