
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 has 1 printing, first in Visions (1997). EDHREC ranks it #27,910 among Commander cards.
Cards that show up in the same decks on EDHREC.