Dragon's Trove

Whenever a dragon you control deals damage,
put X Hoard counters onto Dragon's Trove,
where X is the amount of damage dealt.
Whenever a dragon you control is dealt damage,
put X Hoard Counters onto Dragon's Trove,
where X is the amount of damage dealt.
Whenever a dragon you control dies,
put X Hoard counters onto Dragon's Trove,
where X is that creature's Power.
{3},{t}: For each Hoard counter on Dragon's
Trove, create a Clue token and a Treasure token.