Sapphire ensures youre never short on ink, powering up your bigger plays, while Steel provides tough characters and combat tricks to protect your side of the board
Activate only as a sorcery.) If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead
Your foe could have a Norn's Annex out and you don't want to spend life for the Phyrexian mana needed
But if you just want a cheap way of upgrading for friendly play, its a nice pick-up
Load your deck with white creatures that dont have vigilance, so they can swing and stay tappedyou can add creatures with Vigilance but be aware: those creatures become lightning rods for your opponents removal
Reyhan, Last of the Abzan is a natural partner pairing for the dog commander to work as an Abzan commander leaning heavily into +1/+1 counter synergies