Stony Silence

Activated abilities of artifacts can't be activated.

Spellskite

{U/P}: Change a target of target spell or ability to Spellskite. ({U/P} can be paid with either {U} or 2 life.)

Prevent all noncombat damage that would be dealt to creatures you control.

When Rest in Peace enters, exile all graveyards.
If a card or token would be put into a graveyard from anywhere, exile it instead.

Destroy target artifact or enchantment, then populate. (Create a token that's a copy of a creature token you control.)

Double strike, protection from black and from green

Protection from red
Whenever a player casts a red spell, you may gain 1 life.