Wisdom of Ancient Lore

Convoke (our creatures can help cast this spell. Each creature you tap while casting this spell pays for 1 or one mana of that creature's color.)
For each creature you tapped when casting Wisdom of Ancient Lore, place a lore counter
on this permanent.
Remove X lore counters from Wisdom of Ancient Lore and sacrifice it: draw X cards and lose twice that much life.