The Dreadnaught

As long as The Dreadnaught is attached to a creature, The Dreadnaught can't be attacked and has "Whenever equipped creature deals combat damage during your turn, put that many loyalty counters on The Dreadnaught."

+1 Attach The Dreadnaught to up to one target creature you control. Put a +1/+1 counter on that creature.

-5 Draw two cards.

-10 Add ten mana of any one color. 4 loyalty start