Power Conduit Dragonling

Flying, ward {u/b}{u/b}{u/b}
When this creature attacks any target, create
one Treasure token.
{2}{t} Power Conduit Dragonling gets +1/+1.
When Power Conduit Dragonling has 7 or more
toughness, sacrifice it. When you do, create a 7/7
blue black Power Conduit Dragonling with
flying, and ward {u/b}{u/b}{u/b}{u/b} and "Whenever a
creature you control deals combat damage to any target, create that many Treasure tokens."