Blightsteel Colossus (MBS-099) - Mirrodin Besieged Artist_Magali Villeneuve sacrifice it unless an opponent

sacrifice it unless an opponent was dealt damage this turn

Threshold — Create four 2/2 green Bear creature tokens instead if seven or more cards are in your graveyard

They can't be regenerated

Sacrifice Lotus Petal: Add one mana of any color

whenever a creature an opponent controls blocks

Blightsteel Colossus (MBS-099) - Mirrodin Besieged Artist_Magali Villeneuve sacrifice it unless an opponentCasting Cost Card TypeArtifact Creature Phyrexian Golem RarityMythic ArtistChris Rahn Power Toughness11 11 Legalities NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic NOT LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage NOT LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Brawl NOT LEGAL Historic Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool