Leonardo, Inspiring Leader

Partner with Legendary Turtle (you may have 2
commanders if both have Partner with Legendary
Turtle)
When Leonardo enters the battlefield or attacks,
choose one:
• Destroy target artifact or enchantment
• Up to 3 target creatures your opponent
controls get -1/-1 until end of turn
• Leonardo gets +X/+X until end of turn, where X is
target Legendary Turtle's mana value