Speaker of the Heavens

Mana cost: {W}
Type: Creature — Human Cleric
Power / toughness: 1 / 1
Set: Foundations Jumpstart #102 (rare)
Price: $0.69 USD

Vigilance, lifelink (Attacking doesn't cause this creature to tap. Damage dealt by this creature also causes you to gain that much life.)
{T}: Create a 4/4 white Angel creature token with flying. Activate only if you have at least 7 life more than your starting life total and only as a sorcery.

Speaker of the Heavens has 8 printings, first in Core Set 2021 (2020). EDHREC ranks it #3,462 among Commander cards. It appears most in Giada, Font of Hope decks (13,313 on EDHREC). 3 public decks on TCG run it. It has 1 official ruling.

Legality

commander: legal
legacy: legal
vintage: legal
pauper: not legal
modern: legal
pioneer: legal
standard: not legal
brawl: legal

Public decks that run Speaker of the Heavens

Angels: They're Just Like Us, but Cooler and with Wings - Secret Lair Drop, led by Bruna, the Fading Light
Calling All Angels - Foundations Commander, led by Giada, Font of Hope
Hatsune Miku - Secret Lair Commander, led by Trostani, Selesnya's Voice

Commanders that run Speaker of the Heavens most

Deck counts from EDHREC.

Giada, Font of Hope: 13,313 decks
Trostani, Selesnya's Voice: 4,898 decks
Oloro, Ageless Ascetic: 3,228 decks
Odric, Lunarch Marshal: 2,135 decks
Minwu, White Mage: 1,094 decks
Lathiel, the Bounteous Dawn: 1,079 decks
Karlov of the Ghost Council: 812 decks
Rune-Tail, Kitsune Ascendant // Rune-Tail's Essence: 631 decks

Often played with Speaker of the Heavens

Cards that show up in the same decks on EDHREC.

Rulings

2020-06-23: In a Two-Headed Giant game, you can activate the ability only if your team's life total is at least 7 more than your team's starting life total.