As a general rule, when a card is good, you should probably have four of them
You can use it to save stuff from mass removal or targeted, protect something post-bounce, and a lot more
If you play a Azorius Signet on turn 2, you basically play a turn ahead of an opponent who doesnt play a Signet
Counter target spell unless its controller pays
Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.) When this creature enters, search your library for a basic Plains card or a creature card with mana value 1 or less, reveal it, put it into your hand, then shuffle
Set: Shimmering Skies Printing: Cold Foil Increase: +$2.67 Current Market Price: $3.38 The Monstro Combo infinite loop deck saw early success in a few big tournaments shortly after Whispers in the Well was released