Rancor

Mana cost: {G}
Type: Enchantment — Aura
Set: Masters 25 #186 (uncommon)
Price: $1.41 USD

Enchant creature
Enchanted creature gets +2/+0 and has trample.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Rancor has 20 printings, first in Urza's Legacy (1999). EDHREC ranks it #873 among Commander cards. It appears most in Kotis, the Fangkeeper decks (13,678 on EDHREC). 2 public decks on TCG run it. It has 1 official ruling.

Legality

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

Public decks that run Rancor

Aura of Courage - Forgotten Realms Commander, led by Galea, Kindler of Hope
Scrappy Survivors - Fallout, led by Dogmeat, Ever Loyal

Commanders that run Rancor most

Deck counts from EDHREC.

Kotis, the Fangkeeper: 13,678 decks
Wolverine, Best There Is: 7,021 decks
Dogmeat, Ever Loyal: 6,605 decks
Fynn, the Fangbearer: 5,399 decks
Uril, the Miststalker: 4,725 decks
Chishiro, the Shattered Blade: 4,068 decks
Baba Lysaga, Night Witch: 4,010 decks
Ivy, Gleeful Spellthief: 3,911 decks

Often played with Rancor

Cards that show up in the same decks on EDHREC.

Rulings

2018-03-16: If the creature this Aura would enchant is an illegal target by the time Rancor tries to resolve, the Aura spell doesn't resolve. It won't enter the battlefield, so it won't be put into a graveyard from the battlefield and its ability won't trigger.