Dragon Citadel

Dragon Citadel costs {1} less for your devotion
to each color.

When Dragon Citadel enters, tap all lands.
You may spend mana as though it was mana
of any type to cast Dragon spells.

{t}: Dragon Citadel deals 2 damage to any target. When a Dragon dealt damage this way dies this turn, draw a card for each of that creature's colors.