Lanturn (19/92) (Stamped) [EX: Legend Maker] Saheeli Whenever you tap a Swamp

Whenever you tap a Swamp for mana

Set: Collectors' Edition Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

and you don't know who your source is

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos Type: Legendary Creature — Dragon God Rarity: Mythic Cost: {2}{W}{U}{B}{R}{G} Flying

Set: Secret Lair Drop Series Type: Creature — Sliver Rarity: Rare Cost: {U} Sliver creatures you control have flying

Lanturn (19/92) (Stamped) [EX: Legend Maker] Saheeli Whenever you tap a SwampSet: EX: Legend Maker Type: Lightning Rarity: Rare Retreat cost: Colorless,Colorless