Mana Leak [Arena League 2002] Plant If it's a land card

If it's a land card or a creature card with mana value less than or equal to the number of loyalty counters on Nissa

Set: Amonkhet Invocations Type: Enchantment Rarity: Mythic Cost: {U}{U} Whenever an opponent casts a spell

Set: Eldritch Moon Type: Enchantment Rarity: Rare Cost: {W} You may cast Aura and Equipment spells as though they had flash

search that player's library for all cards with the same name as that card and exile them

Mana Leak [Arena League 2002] Plant If it's a land cardSet: Arena League 2002 Type: Instant Rarity: Rare Cost: {1}{U} Counter target spell unless its controller pays {3}. "If a man will begin with certainties, he shall end in doubts." Sir Francis Bacon, *The Advancement of Learning*