Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent. Partner (You can have two commanders if both have partner.)

As long as The Aetherspark is attached to a creature, The Aetherspark can't be attacked and has "Whenever equipped creature deals combat damage during your turn, put that many loyalty counters on The Aetherspark." +1: Attach The Aetherspark 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.

Indestructible When The One Ring enters, if you cast it, you gain protection from everything until your next turn. At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring. {T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring.

{T}: Add {C}{C}. This land deals 2 damage to you.

{T}: Add one mana of any color in your commander's color identity.

Whenever a commander you control attacks, put a +1/+1 counter on it. Partner (You can have two commanders if both have partner.)

{T}: Add one mana of any color in your commander's color identity.

Commander creatures you own have "Whenever this creature attacks, it gains double strike until end of turn."

Legendary creatures you control get +2/+1 and have ward {1}. Nonlegendary creatures you control get +1/+1.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.