Cheapest priced copy (Final Fantasy Commander): $0.79 at Card Kingdom, near mint, their price list as of .
Generous Patron 
Creature — Elf Advisor · 1/4 · Rare · Final Fantasy Commander · #305
When this creature enters, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)
Whenever you put one or more counters on a creature you don't control, draw a card.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
3 printings · $0.79 to $27.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battlebond | 70 | Rare | $3.99 | $16.99 |
| Final Fantasy Commander | 305 | Rare | $0.79 | $2.99 |
| Secret Lair Drop | 768 | Rare | — | $27.99 |
7 rulings from Wizards of the Coast
- 8 June 2018Generous Patron's last ability triggers even if the counters you put on another player's creatures aren't +1/+1 counters.
- 8 June 2018If a creature enters the battlefield with counters under another player's control, that player is the player who puts those counters on it, even if you control the spell or ability putting that creature onto the battlefield.
- 8 June 2018You can't put more than one +1/+1 counter on any one target using the support action.
- 8 June 2018If you put one or more counters on multiple creatures you don't control at the same time, such as by supporting two different creatures you don't control, Generous Patron's last ability triggers for each of those creatures.
- 8 June 2018If some, but not all, targets for a spell become illegal, the remaining targets are affected as appropriate. If all of a spell's targets become illegal, that spell doesn't resolve.
- 8 June 2018Support can target a creature another player controls.
- 8 June 2018If a spell with support has other abilities that target creatures, those abilities and the support ability can target the same creature.