While both bodyguards and Musketeers appear in amber as well, steel gets the nod as the primary ink for a dedicated bodyguard strategy because of Musketeer Tabard
Here's the breakdown of card rarities found in each Collector Booster: 5 Rare or higher 4 Uncommon 5 Common 1 Full-Art Land Headliner cards are found in fewer than 1% of Collector Booster packs
3 Emet-Selch, Unsundered Esper Terra Gogo, Master of Mimicry Golbez, Crystal Collector Hope Estheim Joshua, Phoenix's Dominant Kefka, Court Mage Kefka, Ruler of Ruin Kuja, Genome Sorcerer Quistis Trepe Shantotto, Tactician Magician Tellah, Great Sage Terra, Magical Adept The Emperor of Palamecia The Lord Master of Hell Trance Kuja, Fate Defied Venat, Heart of Hydaelyn Vivi Ornitier Xande, Dark Mage
$3.39 $2.51 $1.10 $0.41 $0.24 $0.12 4 Cost Equipment I only run 2 or 3 equipment at this cost
It lets you look at the top two cards of your deck, placing one in your hand and the other (exerted) in your inkwell