mtg.wtf

[+1]: Target player draws two cards, then discards two cards.
[–2]: Gain control of target artifact.
[–6]: You get an emblem with "Whenever you cast a spell that targets one or more permanents, gain control of those permanents."

Activated abilities of artifacts your opponents control can't be activated.
[+1]: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.
[–2]: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.

Each opponent can cast spells only any time they could cast a sorcery.
[+1]: Until your next turn, you may cast sorcery spells as though they had flash.
[–3]: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.