mtg gun cards Ionize [Outlaws of Thunder Junction: Breaking News] Gunsmith's Arsenal - Radiant Origins

However, that isn't a reason to not use Seething Song in Commander, as the average Commander game will last far longer than a match of one versus one Modern

It also fits into treasure focused builds, and can turn a Scrap Mastery into a fair bit of burn damage

Metamorphosis Fanatic Metamorphosis Fanatic is 6 mana (or sometimes even 2?) for a good body, plus a reanimated creature that gains lifelink

But then Hour of Devastation (July 2017) the Hours began

Cubes built around themes like snow, or loaded with artifact or enchantment creatures, will get a lot of mileage from Embiggen

You basically just treat them like emblems from planeswalkers