Lifetap [Alpha Edition]Set: Alpha Edition Type: Enchantment Rarity: Uncommon Cost: {U}{U} Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

you may skip that turn instead

Set: Neo Revelation Unlimited Type: Water Rarity: Secret Rare Retreat cost: Colorless

Set: Diamond & Pearl: Secret Wonders Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

Set: HeartGold & SoulSilver: Undaunted Type: Darkness Rarity: Rare Retreat cost: Colorless

Set: Sun & Moon: Cosmic Eclipse Type: Item Rarity: Secret Rare

counter that spell

Set: Black & White: Next Destinies Type: Lightning Rarity: Uncommon Retreat cost: Colorless

Set: Sun & Moon: Unbroken Bonds Type: Grass Rarity: Ultra Rare Retreat cost: Colorless

Set: HeartGold & SoulSilver: Call of Legends Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: XY: Roaring Skies Type: Dragon Rarity: Holo Rare Retreat cost: 4

If it's a Light card

Set: Celebrations: 25th Anniversary Type: Psychic Rarity: Secret Rare Retreat cost: Colorless