Reality Stone

Artifacts you control have Hexproof and
Protection from Enchantments.
{2}{t}: Create a 3/3 black Chitauri creature token.
{3}{t}: Put a Deathtouch or a Shield counter on
target creature.
{4}{t}: Create a token that's a copy of target nonlegendary creature.
{6}{t}: Exchange control of two target permanents
that share a permanent type.