Kefnet the Mindful (Invocation) [Amonkhet Invocations]Set: Amonkhet Invocations Type: Legendary Creature God Rarity: Mythic Cost: {2}{U} Flying, indestructible Kefnet the Mindful can't attack or block unless you have seven or more cards in hand. {3}{U}: Draw a card, then you may return a land you control to its owner's hand.

Set: Amonkhet Type: Sorcery // Sorcery Rarity: Rare Cost: {2}{W}{W} // {3}{W}{W} Destroy all creatures with power 3 or greater

Set: Black & White: Next Destinies Type: Psychic Rarity: Rare Retreat cost: Colorless

This effect can't reduce the mana in that cost to less than one mana

"A rare and fascinating phenomenon

Set: Legends Type: Legendary Creature — Demon Rarity: Rare Cost: {2}{U}{B}{R} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

you may spend mana as though it were mana of any type to pay that spell's mana cost

Set: Urza's Saga Type: Creature — Illusion Rarity: Rare Cost: {4}{U}{U} Flying

If a source would deal damage to an opponent or a permanent an opponent controls

Target opponent guesses whether a card with that name is in your hand

Set: Shadows over Innistrad Prerelease Promos Type: Creature — Vampire Knight Rarity: Rare Cost: {3}{B}{B} Flying

players can't cast instant spells or activate abilities that aren't mana abilities

Set: Coldsnap Type: Artifact Rarity: Uncommon Cost: {0} {T}