Underhanded Designs
Mana cost
Mana value2TypeEnchantment
Color identity
Black
RarityUncommon
SetKaladesh (KLD)
ArtistAnastasia Ovchinnikova
Price€0.24 · foil €0.48 · $0.17
Underhanded Designs 

Enchantment
Whenever an artifact you control enters, you may pay
. If you do, each opponent loses 1 life and you gain 1 life.

, Sacrifice this enchantment: Destroy target creature. Activate only if you control two or more artifacts.
Legality
CommanderLegalStandardNot legalPioneerLegalModernLegalLegacyLegalVintageLegalPauperNot legalBrawlLegalOathbreakerLegalHistoricLegalTimelessLegalPenny DreadfulNot legal
Rulings
2016-09-20
You can pay only once each time Underhanded Designs's triggered ability resolves. You can't pay more to cause your opponents to lose more life.
2016-09-20
The number of artifacts you control is checked only as you activate Underhanded Designs's last ability. It's not checked again as it resolves.
2016-09-20
In a Two-Headed Giant game, Underhanded Designs's first ability causes the opposing team to lose a total of 2 life. You still gain only 1 life.