2 cards where the name includes “familiar” and the text includes “blue” and the text includes “spells”

Nightscape Familiar (Dominaria Remastered #94)

Nightscape Familiar {1}{B}

Creature — Zombie

Blue spells and red spells you cast cost {1} less to cast.

{1}{B}: Regenerate Nightscape Familiar.

1/1

Illustrated by Jeff Easley

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Sunscape Familiar (Planeshift #17)

Sunscape Familiar {1}{W}

Creature — Wall

Defender (This creature can’t attack.)

Green spells and blue spells you cast cost {1} less to cast.

The spirits of fallen battlemages can serve their guilds as familiars by joining with any physical form.

0/3

Illustrated by Brian Despain

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

It is the moment of discovery, the triumph of the mind, and the end of these results.