Kefnet the Mindful (Invocation) [Amonkhet Invocations] White return it to the battlefield

return it to the battlefield under its owner's control with a -1/-1 counter on it

and offal of the Krark Clan is diligently collected

Set: EX: Hidden Legends Type: Water Rarity: Holo Rare Retreat cost: Colorless

Whenever you tap a Swamp for mana

Set: World Championships 2010 Type: Fighting Rarity: Rare Retreat cost: Colorless

Kefnet the Mindful (Invocation) [Amonkhet Invocations] White return it to the battlefieldSet: 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.