Rishkar, Peema Renegade

Mana cost: {2}{G}
Type: Legendary Creature — Elf Druid
Power / toughness: 2 / 2
Set: Kaladesh Remastered #179 (rare)

When Rishkar enters, put a +1/+1 counter on each of up to two target creatures.
Each creature you control with a counter on it has "{T}: Add {G}."

Rishkar, Peema Renegade has 15 printings, first in Aether Revolt (2017). EDHREC ranks it #892 among Commander cards. It appears most in Ms. Bumbleflower decks (14,353 on EDHREC). 6 public decks on TCG run it. It has 3 official rulings.

Legality

commander: legal
legacy: legal
vintage: legal
pauper: not legal
modern: legal
pioneer: legal
standard: not legal
brawl: legal

Public decks that run Rishkar, Peema Renegade

Bedecked Brokers - New Capenna Commander, led by Perrie, the Pulverizer
Call for Backup - March of the Machine Commander, led by Bright-Palm, Soul Awakener
Peace Offering - Bloomburrow Commander, led by Ms. Bumbleflower
Token Triumph - Starter Commander Decks, led by Emmara, Soul of the Accord
Tramplesaurus Rex - Foundations Commander, led by Ghalta, Primal Hunger
Upgrades Unleashed - Neon Dynasty Commander, led by Chishiro, the Shattered Blade

Commanders that run Rishkar, Peema Renegade most

Deck counts from EDHREC.

Ms. Bumbleflower: 14,353 decks
Tayam, Luminous Enigma: 6,901 decks
Voja, Jaws of the Conclave: 6,679 decks
Shalai and Hallar: 4,807 decks
Chishiro, the Shattered Blade: 4,437 decks
Hamza, Guardian of Arashin: 3,865 decks
Galadriel, Light of Valinor: 3,752 decks
Ezuri, Claw of Progress: 3,236 decks

Often played with Rishkar, Peema Renegade

Cards that show up in the same decks on EDHREC.

Rulings

2017-02-09: Each creature you control has Rishkar's mana ability as long as that creature has any kind of counter on it. The effect isn't limited to those with +1/+1 counters.
2017-02-09: You can't target the same creature twice to have one recipient get two +1/+1 counters.
2017-02-09: Rishkar can be a target of its own triggered ability.