Sapphire Leech [Invasion] BT2-062 {T}: Look at the top

{T}: Look at the top card of your library

where X is the number of counters it had on it

Set: Secret Lair Drop Promos Type: Enchantment Rarity: Rare Cost: {4}{W} Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures

Set: Innistrad Type: Land Rarity: Rare Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest

From Gaea grew the world

Sapphire Leech [Invasion] BT2-062 {T}: Look at the topSet: Invasion Type: Creature Leech Rarity: Rare Cost: {1}{U} Flying Blue spells you cast cost {U} more to cast. "The subject's wings are clearly vestigial. We suspect the gems somehow keep it aloft." Tolarian research notes