As Foretold
Type
Enchantment
Mana Cost
{2}{U}
Oracle Text
At the beginning of your upkeep, put a time counter on this enchantment. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on this enchantment.
"It is returning through the dark. And then, Doctor? Oh, but then he will knock four times."
Ilustrated by Erion Makuo