Darksteel Sentinel [Scars of Mirrodin] Donkey Townsfolk She bears the greatest burden

She bears the greatest burden of all: that of knowing

Set: Battle for Zendikar Type: Enchantment Rarity: Uncommon Cost: {2}{B} Landfall — Whenever a land enters the battlefield under your control

Set: Rise of the Eldrazi Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

and spontaneous nonexistence

Darksteel Sentinel [Scars of Mirrodin] Donkey Townsfolk She bears the greatest burdenSet: Scars of Mirrodin Type: Artifact Creature Golem Rarity: Uncommon Cost: {6} Flash (You may cast this spell any time you could cast an instant.) Vigilance Indestructible (Damage and effects that say "destroy" don't destroy this creature. If its toughness is 0 or less, it's still put into its owner's graveyard.)