Legendary Artifact
{R}, {T}: Put a luster counter on Awestone.
{1}{R}, {T}: Add {R} for each luster counter on Awestone.
{2}{R}, {T}: Until end of turn, gain control of target nonland permanent with mana value less than or equal to the number of luster counters on Awestone and it gains haste. Untap that permanent. Activate only during your turn.