Oracle

Instant 

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Return target permanent to its owner's hand.

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

6/7/2013
Players still get priority while a card with split second is on the stack.

6/7/2013
Split second doesn’t prevent players from activating mana abilities.

6/7/2013
Split second doesn’t prevent triggered abilities from triggering. If one does, its controller puts it on the stack and chooses targets for it, if any. Those abilities will resolve as normal.

6/7/2013
Split second doesn’t prevent players from performing special actions. Notably, players may turn face-down creatures face up while a spell with split second is on the stack.

6/7/2013
Casting a spell with split second won’t affect spells and abilities that are already on the stack.

6/7/2013
If the resolution of a triggered ability involves casting a spell, that spell can’t be cast if a spell with split second is on the stack.

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