how much is a one piece booster box TCG: The Azure Sea's Seven [OP-14] They introduce multicolored leaders and new color combinations One Piece OP-13 Carrying On

Aragorn and Arwen, Married 4GW Legendary Creature ~ Human Elf Noble Vigilance Whenever Aragorn and Arwen, Married, enters the battlefield or attacks, put a +1/+1 counter on each other creature you control

That would be Skullclamp

Now that the introduction is out of the way, lets do this

You have to do some work to achieve threshold first, but you can bear down and get it done, and it benefits from incidental mill effects like Argoth, Sanctum of Nature

Slagstorm lets you answer different problems with one card, and I mention Wizard's Lightning as a pseudo-Lightning Bolt in case you play some wizards

That flexibility is great for Commander toolboxes, since its rarely a dead draw