24 cards where the cards aren’t reprints and the card has the keyword “Bolster”

Anafenza, Kin-Tree Spirit (Dragons of Tarkir #2)
Elite Scaleguard (Fate Reforged #12)
Dromoka, the Eternal (Fate Reforged #151)
Optimus Prime, Hero // Optimus Prime, Autobot Leader (Transformers #13)
Optimus Prime, Hero // Optimus Prime, Autobot Leader (Transformers #13)
Map the Wastes (Fate Reforged #134)
Dragonscale General (Fate Reforged #11)
Gleam of Authority (Dragons of Tarkir #19)
Sandsteppe War Riders (March of the Machine Commander #39)
Sandsteppe Mastodon (Fate Reforged #137)
Scale Blessing (Dragons of Tarkir #35)
Abzan Advantage (Fate Reforged #2)
Sunbringer's Touch (Dragons of Tarkir #209)
Dromoka Captain (Dragons of Tarkir #12)
Echoes of the Kin Tree (Dragons of Tarkir #15)
Abzan Skycaptain (Fate Reforged #4)
Honor's Reward (Fate Reforged #14)
Dromoka's Gift (Dragons of Tarkir #184)
Cached Defenses (Fate Reforged #126)
Enduring Victory (Dragons of Tarkir #16)
Pinion Feast (Dragons of Tarkir #195)
Aven Tactician (Dragons of Tarkir #6)
Sandcrafter Mage (Dragons of Tarkir #33)
Sandsteppe Scavenger (Dragons of Tarkir #200)
Unsanctioned Ancient Juggler (Unfinity Sticker Sheets #13)

In the blink of an eye, they strode from deep snow to the end of this search.