Gandalf the White Aetherdrift (Your devotion to a color

(Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control

{T}: This land deals 1 damage to target attacking creature

add one mana of that color

Exhaust — {3}{R}: Create a 4/4 red Dinosaur Dragon creature token with flying

Creatures you control with power 2 or less can't be blocked by creatures with power 3 or greater

Gandalf the White Aetherdrift (Your devotion to a colorFlash You may cast legendary spells and artifact spells as though they had flash. If a legendary permanent or an artifact entering or leaving the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.