2 cards where the name includes “holy” and the name includes “strength”

Holy Strength (Magic 2011 #16)

Holy Strength {W}

Enchantment — Aura

Enchant creature

Enchanted creature gets +1/+2.

“Born under the sun, the first child will seek the foundation of honor and be fortified by its righteousness.”
—Codex of the Constellari

Illustrated by Terese Nielsen

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Unholy Strength (Duel Decks Anthology: Divine vs. Demonic #47)

Unholy Strength {B}

Enchantment — Aura

Enchant creature

Enchanted creature gets +2/+1.

Such power grows the body as it shrinks the soul.

Illustrated by Terese Nielsen

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny

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