Is Heat Wave legal in Standard, Modern, and Commander?

Heat Wave is legal in: Legacy, Vintage, Commander.

What type of card is Heat Wave?

Heat Wave is an Enchantment. Its oracle text reads: "Cumulative upkeep {R} (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.)Blue creatures can't block creatures you control.Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control."

Heat Wave

Enchantment

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>Blue creatures can't block creatures you control.<br>Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control.

Set Visions

Rarity Uncommon

Artist Alan Rabinowitz