Melding Pot

At the beginning of each of your turns create a
Upgrade Material token.
{t}: Sacrifice an Upgrade Material token, put a
+1/+1 counter on target creature with equipment
equipped. Activate only if you control a
Blacksmith.
{2}{x}{t}: Create x Upgrade Material Tokens.
{3}{x}{t}: Sacrifice x Upgrade Material tokens, put
x +1/+1 counters on target creature with
equipment equipped. Activate only if you control
a Blacksmith.