Hecatomb

Enchantment, 1BB (3)
When Hecatomb comes into play, sacrifice Hecatomb unless you sacrifice four creatures.
Tap an untapped Swamp you control: Hecatomb deals 1 damage to target creature or player.¹
Illus. George Pratt

Crystal Keep Rulings Summaries

• The sacrifice is done as a triggered ability just after it enters play. It is not done on announcement. [D'Angelo 1995/10/27]
• If you have less than 4 creatures, you do not partially sacrifice. You pay 4 creatures or none. [WotC Rules Team 1995/06/15]
• You choose whether to sacrifice creatures or not on resolution. If not, then you sacrifice this card. You can choose to not sacrifice creatures if you no longer control this card on resolution. [D'Angelo 1999/06/01]
• Note - Also see Comes Into Play Abilities, Rule 410.10a.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (3/18)	Classic Sixth Edition (Rare) Fifth Edition (Rare) Ice Age (Rare)