2 cards where the name includes “blue” and the name includes “sun's”

Blue Sun's Twilight (Phyrexia: All Will Be One #43)

Blue Sun's Twilight {X}{U}{U}

Sorcery

Gain control of target creature with mana value X or less. If X is 5 or more, create a token that’s a copy of that creature.

“Where once there was ignorance, Jin-Gitaxias brought knowledge, and an age of progress dawned.”
—Monument inscription

Illustrated by Piotr Dura

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Blue Sun's Zenith (Masters 25 #44)

Blue Sun's Zenith {X}{U}{U}{U}

Instant

Target player draws X cards. Shuffle Blue Sun’s Zenith into its owner’s library.

“The Origin Query will wait. We must ensure we survive to return to it.”
—Pelyus, vedalken ordinar

Watermark: Set Symbol

Illustrated by Izzy

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

The arc of my blade has carved a path of light to the end of these results.