Cheapest priced copy (Commander 2016): $0.49 at Card Kingdom, near mint, their price list as of .
Academy Elite 
Creature — Human Wizard · 0/0 · Rare · The List · #CNS-20
This creature enters with X +1/+1 counters on it, where X is the number of instant and sorcery cards in all graveyards.
{2}{U}, Remove a +1/+1 counter from this creature: Draw a card, then discard a card.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
3 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2016 | 81 | Rare | $0.49 | — |
| Conspiracy | 20 | Rare | $0.49 | $0.49 |
| The List | CNS-20 | Rare | $0.49 | — |