The ability doesnt even require her to Tap , meaning you can activate multiple times as long as you have Mana available
But there are other, slower decks thatll find this effect amazing, like a Babys First Necropotence Plushy
When youre ramping mid-game and an opposing location could force you to challenge, instead use Hide Away and continue with your game plan
Toph here does require some good deckbuilding and synergy, but can provide a pretty decent mid-bracket build
Also, it's power is 4, so for stuff like Garruk's Packleader it'll draw you
It can't be the target of the reflexive ability created by Kishla Trawlers's triggered ability ("When you do, return target instant or sorcery card from your graveyard to your hand.")