In Magics most powerful regularly played competitive format, Legacy, where a low total mana value means that decks play less lands, this is a fantastic tool for making sure you can find your next land drop if you kept a hand with only one or two
Sage's Nouliths Rarity: Common TYPE: Artifact SUBTYPE: Equipment CMC: 2 Mana cost: USD: $0.13 EUR: 0.06 TIX: 0.03 EDHREC RANK: 11469 Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.) Equipped creature gets +1/+0, has "Whenever this creature attacks, untap target attacking creature," and is a Cleric in addition to its other types
Personally, I prefer Dina, Soul Steeper because it's cheaper and leads to other lines, unlike this version of Dina, which is narrowed to a trigger per turn
However, since they're not making these decks any more, the format is a little stagnant
Relic Vial