If your deck wants most of these roles then it is OK filler, otherwise it is simply way too underpowered to be of much use
Toph, Earthbending Master (TLE) $48 Avatar: The Last Airbender has a full cycle of legendary cards that work with experience counters, and Ill always think of good experience counter cards we already have like Meren of Clan Nel Toth or Otharri, Suns' Glory
It's very strong for Commander play in decks with extra mana sitting around like mana rocks and dorks and lands
This is especially good as it can effectively untap Kiora after an attack, netting you an 8/8 while also getting some damage through
But going down a card for a single mana often isnt a trade-off fair decks are interested in or should make
Dimir Excruciator A top tier mill deck is a surprising thing to see, but Dimir Excruciator took home the trophy during Pro Tour Lorwyn Eclipsed