Grip of Chaos For those that enjoy chaotic board states or games overall, Grip of Chaos is a chaos card that makes targeting a creature significantly harder, as all will be determined purely on luck
9 Logic Knot All Twisted Up A counterspell that scales with you depending on your needs, Logic Knot is a two mana spell with X in the casting cost, which is where you can use delve to help pay for the cost
Outside of the odd Leyline here or there, Commander is not a format where these effects are used plentifully, and coming from a Modern background there's little that feels better than knowing you're ahead before the first Land touches the battlefield
Carnage Tyrant Carnage Tyrant isnt super splashy, but its very consistent which is often better
Its why Simic decks regularly opt to Draw 25. Trying to go off without at least two counterspells
Shadowmoor Auras From the Shadowmoor block came 2-color hybrid auras that pump enchanted creatures depending on how many of the two colors they are