Is Delaying Shield legal in Standard, Modern, and Commander?

Delaying Shield is legal in: Legacy, Vintage, Commander.

Delaying Shield

Q: What type of card is Delaying Shield?

Delaying Shield is an Enchantment. Its oracle text reads: "If damage would be dealt to you, put that many delay counters on this enchantment instead. At the beginning of your upkeep, remove all delay counters from this enchantment. For each delay counter removed this way, you lose 1 life unless you pay {1}{W}."

Enchantment

If damage would be dealt to you, put that many delay counters on this enchantment instead.

At the beginning of your upkeep, remove all delay counters from this enchantment. For each delay counter removed this way, you lose 1 life unless you pay .