
Enchant creature
Enchanted creature gets +1/+1 and has reach. (It can block creatures with flying.)
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
Spider Umbra has 3 printings, first in Archenemy (2010). EDHREC ranks it #6,000 among Commander cards. It appears most in Uril, the Miststalker decks (2,150 on EDHREC). It has 10 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.