Opal Palace is a common Land card from Magic: The Gathering (Magic Online Promos, PRM).
Common
Magic Online Promos (PRM)
Mana Value
0
Card Text
{T}: Add {C}.
{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.
