1000 mtg cards card with no text spikes 1000% thanks to Foundations You may activate abilities of creatures you control as though those creatures had haste MAGIC THE GATHERING COLLECTION 1000

While not quite as killy as the Overrun the Shaman is cheaper, safer and reusable

Usually led by Marrow-Gnawer or Karumonix, the Rat King, they break the singleton rules of the format, make players groan while they resolve Thrumming Stone trigger after Thrumming Stone trigger, and generally go aggro

You can make great use of copy effects that don't keep the Legendary tag on the copy, like Spark DoubleSpark Double or Irenicus's Vile DuplicationIrenicus's Vile Duplication

Basically we become a less resilient deck, but a deck with even more one-hit win potential

So anything that gives it a moment in the sun is something Im going to like, and I feel like getting to regrow instants and sorceries is more helpful to decks playing them than regrowing random permanent types on other planes

The fact that her ability targets helps out with all the Valiant effects in Boros Mice, too