mtg green storm cards Magic: The Gathering Singles Magic: The Gathering Storm Seeker deals damage equal to the number of cards in target player’s hand to that player. MTG Best Modern Green Storm

However, given that they don't seem like a mechanic exclusive to March of the Machine, but rather a type we'll see in Magic: The Gathering from now on, it's only a matter of time before cards come out that are good enough to be present in high-power level Metagames

Whenever equipped creature deals combat damage to a player, destroy up to one target planeswalker and up to one target artifact

The ability has weird timing

In the current metagame of Izzet Murktide, Living End and Wrenn and Six-decks, flexible graveyard hate is almost always useful and even if it is a dead card, it replaces itself

While there was no end of strategies finding ways to incorporate Thawing Glaciers into their manabases, most people did not make the leap to Brainstorm for quite a while