
WardWardWhen this becomes the target of a spell or ability an opponent controls, counter it unless that player pays the ward cost.
If a creature an opponent controls would diedieA creature dies when it goes from the battlefield to a graveyard. Being exiled or returned to hand is not dying., exile it instead.
At the beginning of each end step, create X 1/1 black Rat creature tokens with "This token gets +1/+1 for each other Rat you control," where X is the number of creatures that were exiled under your opponents' control this turn.
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Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.