Name:Obelisk of Grixis
ManaCost:3
Types:Artifact
A:AB$ Mana | Cost$ T | Produced$ U | SpellDescription$ Add {U} to your mana pool.
A:AB$ Mana | Cost$ T | Produced$ B | SpellDescription$ Add {B} to your mana pool.
A:AB$ Mana | Cost$ T | Produced$ R | SpellDescription$ Add {R} to your mana pool.
SVar:Picture:http://www.wizards.com/global/images/magic/general/obelisk_of_grixis.jpg
Oracle:{T}: Add {U}, {B}, or {R} to your mana pool.