Is Sustaining Spirit legal in Standard, Modern, and Commander?

Sustaining Spirit is legal in: Legacy, Vintage, Commander.

Sustaining Spirit

Q: What type of card is Sustaining Spirit?

Sustaining Spirit is a Creature — Angel Spirit. Its oracle text reads: "Cumulative upkeep {1}{W} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)Damage that would reduce your life total to less than 1 reduces it to 1 instead."

Creature — Angel Spirit

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)<br>Damage that would reduce your life total to less than 1 reduces it to 1 instead.

Set Alliances

Rarity Rare

Artist Rebecca Guay