CardName: Spellstone
Cost: 0
Type: Artifact - Lyxian
Pow/Tgh: /
Rules Text: When Spellstone comes into play, Exile a card from your
hand.
1: Place a Ritual counter on Spellstone.
T, sacrifice Spellstone: Return the exiled card to your hand
and add X to your mana pool, where X is the number of Ritual
counters on Spellstone.  This mana may only be used to cast
the card that was exiled.
Flavour Text: 
Set/Rarity: Chroma Core Set Rare