Triggered abilities can be powerful, but they usually only activate once
Clouds Limit Break is built a bit like Outlaws of Thunder Junctions spree, in that players can choose how much mana to spend based on how many tapped creatures they want the spell to kill
$1 is quite low, and the card is an uncommon in Modern Masters 2017
But there are other, slower decks thatll find this effect amazing, like a Babys First Necropotence Plushy
Wasp of the Bitter End isnt bad as a 2/1 flier for two, and if it sticks around, it becomes a Murder once we cast a Bolas planeswalker and then sits in the graveyard, ready to Eternalize later on
A favorite of counters players, this was last reprinted in one of the March of the Machine Commander precons, but it still looks like its holding solid on its price