Cover of Darkness [Onslaught] Modern Masters Whenever an opponent taps a

Whenever an opponent taps a land for mana

put that card into your hand

The rifts reach into infinite time streams

In fire there is the spark of chaos and destruction

Set: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {1}{R} Rockslide Ambush deals damage to target creature equal to the number of Mountains you control

Cover of Darkness [Onslaught] Modern Masters Whenever an opponent taps aSet: Onslaught Type: Enchantment Rarity: Rare Cost: {1}{B} As Cover of Darkness enters the battlefield, choose a creature type. Creatures of the chosen type have fear. (They can't be blocked except by artifact creatures and or black creatures.)