Unifying Theory 

Enchantment
$0.42 #25528 0.39 25.1 years
Whenever a player casts a spell, that player may pay
. If the player does, they draw a card.
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"Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays
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"Whenever a player casts a noncreature spell, each of that player's opponents may draw a card."
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"At the beginning of each player's draw step, that player draws two additional cards."
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"At the beginning of each player's draw step, that player draws an additional card."
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"Whenever a player casts a spell, counter it unless that player pays
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"At the beginning of each other player's draw step, that player draws an additional card."
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