Caleb, Chaotic Archmage

Whenever you copy a spell, gain an experience
counter. This ability triggers only once each turn.
Magecraft — Whenever you cast or copy an
instant or sorcery, target an instant or sorcery in
your graveyard at random. If the mana value is X
or less, copt that spell X times, where X is the
number experience counters you have. This
ability triggers only once each turn.