Abeyance

Instant    (CMC:2)

Until end of turn, target player can't cast instant or sorcery spells, and that player can't activate abilities that aren't mana abilities. Draw a card.

"I'm too modest a wizard to reveal the full extent of my abilities."

TODO ARENA • ENThomas Gianni

™ & © 1993—1999 Wizards of the Coast

Notes: TODO: Check rarity

Legal in: Mirage Block,Legacy,Vintage,Commander

Oracle Text (click to copy):

10/4/2004
Abeyance prohibits activated abilities of cards which are not on the battlefield.
10/4/2004
Abeyance never prevents mana abilities from being activated.
10/4/2004
Abeyance does not affect abilities which are not activated, such as static abilities and triggered abilities. It also doesn't stop the declaration of attackers or blockers.
8/1/2008
This can't be used as a counterspell. It will have no effect on spells which were on the stack when it was cast, nor on those cast in response to it.