Elven Warhounds [Tempest] Mirrodin the player can activate mana

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

If both targets are still legal as this ability resolves

Enchanted land has "{T}

that player discards their hand

you gain 1 life

Elven Warhounds [Tempest] Mirrodin the player can activate manaSet: Tempest Type: Creature Dog Rarity: Rare Cost: {3}{G} Whenever Elven Warhounds becomes blocked by a creature, put that creature on top of its owner's library. "If a creature is dumb enough to love you for leashing it, why would you want to follow its lead?" Mirri of the *Weatherlight*