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 choose something new to copy when your Phantasmal Image comes back from undying.

When a copy of a creature with the undying ability dies, the undying ability will trigger and return it to play. This is due to the last known information when the card was in play, which is what leaves-the-battlefield abilities (like undying) look for to determine whether they should trigger. When it returns to the […]

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