Byrgenwerth Great Library
Whenever you cast an Enchantment, Sorcery or Instant, put an
Insight counter on Byrgenwerth Great Library.
{t}: Add {w} or {u}.
{t}: Remove X Insight counters. Reduce the cost
of your next Enchantment, Sorcery or Instant this turn by {x},
which may be colorless or blue mana.
Card Comments