Second Guess can counter the second spell cast in a turn, no matter who cast the first spell.

At first glance, doesn’t seem too exciting, but it is not as narrow as you might think. It only needs you to use it correctly, and maybe some shenanigans involving other spells. As you may know, Second Guess can counter a spell if it was the second spell cast this turn, but it doesn’t care […]

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Killing Wave is shut down by Sigarda, Host of Herons (but not by Angel of Jubilation).

and have abilities that at first glance look similar. However, they are actually quite different! When your opponent’s resolves, it gives each player a choice to make for each creature that player controls: Pay X life, or don’t pay anything. If you don’t pay any life, Killing Wave says “sacrifice the creature.” If you control […]

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Why Knowledge Pool + Curse of Exhaustion locks your opponent out of casting spells from the hand.

As part of combo week, I’ve chosen to explain my personal favorite combo in standard: the + lock. First, let’s take a look at what these two cards do before we explain how the combo works. Curse of Exhaustion is pretty simple; it restricts the number of spells your opponent can cast to just one […]

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Targets are checked for legality twice: upon casting and upon resolution.

When you cast a spell that requires a target, you have to be able to choose a legal target or you can’t cast it at all. However, that spell must still have a legal target when it resolves, or it will be countered by game rules. For example, one of the more interesting plays I […]

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How you handle two Knowledge Pools.

If both players control a (“KP1” for active player and “KP2” for non-active player), you must keep track of which cards have been exiled by which Knowledge Pool, since the exiled cards are linked to that specific KP. For example, if I cast a spell from my hand on my turn, KP1 and KP2 will […]

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The extra mana you pay because of Thalia, Guardian of Thraben doesn’t count for anything else.

Simple enough: Does increase the converted mana cost (“CMC”) of your spells because she makes them cost more? Easy answer: No! CMC -never- changes. The sum of all the symbols in the top right corner of a card is the CMC. The only time CMC can change is with X spells. Everywhere except the stack, […]

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Snapcaster Mage doesn’t give a spell flashback until after its triggered ability resolves.

When your opponent casts a to give something flashback, you get a window of opportunity to do something before that spell can be flashed back. The targeted spell doesn’t immediately have flashback as soon as the Snapcaster hits the field. Once the Snapcaster resolves, its triggered ability goes on the stack and the controller chooses […]

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You can cast Viridian Corrupter even with no artifacts in play.

When you cast a creature spell, you are never required to choose targets for it, because creature spells never target anything. Some creatures have enters-the-battlefield (“ETB”) abilities that require targets, and you must choose one only when the creature hits the board (even if the only legal target is your own permanent that you’d rather […]

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