Altar of Shadows

Artifact, 7 (7)
At the beginning of your precombat main phase, add {B} to your mana pool for each charge counter on Altar of Shadows.
{7}, {T}: Destroy target creature. Then put a charge counter on Altar of Shadows.
Illus. Sam Wood

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: The precombat main phase is the first main phase of the turn. All others are postcombat main phases, even if they technically occur before combat.
• 12/1/2004: You put the counter on Altar of Shadows even if the creature regenerates.
• 12/1/2004: The "precombat main phase" is the first main phase of the turn. All other main phases are "postcombat main phases."

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/7)	Mirrodin (Rare)