Defender is an evergreen keyword, meaning that the mechanic appears very frequently in new releases
Oltec Matterweaver Let's kick this thing off with a mono-White dork that costs three for a blocking 2/4
Declare blockers : the defending player chooses which, if any, attacking creatures s/he wishes to block
Number 14 Language English Legal Formats Commander, Legacy, Modern, Pauper, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pioneer, Standard, Timeless Rulings (6/14/2019) If the target artifact or enchantment is an illegal target by the time Dismantling Blow tries to resolve, the spell doesn't resolve
It takes advantage of humans' impulsive nature to seek instant gratification