Petrifying Design

Indestructible, Fear, Protection from instants
and sorceries
When Petrifying Design enters the battlefield,
untap all permanents you control.
You may sacrifice an artifact, and if you do, Petrifying Design gains first strike until your
end step.
Any time Petrifying Design deals combat damage
to a player, deal an additional damage for each
time an artifact was tapped this turn.