Snake Umbra 
Enchantment — Aura
Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent, you may draw a card." Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Prints
Wilds of Eldraine Commander
EN · WOC · 2023-09-08
Neon Dynasty Commander
EN · NEC · 2022-02-18
The List
EN · PLST · 2019-11-07
Ultimate Masters
EN · UMA · 2018-12-07
Commander 2018
EN · C18 · 2018-08-10
Planechase Anthology
EN · PCA · 2016-11-25
Planechase 2012
EN · PC2 · 2012-06-01
Rise of the Eldrazi
EN · ROE · 2010-04-23