Oracle

Sorcery 

Destroy target creature. Its controller loses life equal to its power plus its toughness.
Suspend 5-1B (Rather than cast this card from your hand, you may pay 1B and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

2021-03-19 - wotc
If you cast a card "without paying its mana cost," such as with suspend, you can't choose to cast it for any alternative costs. You can, however, pay additional costs. If the card has any mandatory additional costs, you must pay those to cast the card.

2021-03-19 - wotc
If the target creature is an illegal target by the time Phthisis tries to resolve, the spell doesn't resolve. No player loses life. If the target is legal but not destroyed (most likely because it has indestructible), its controller does lose life.

2021-03-19 - wotc
If the creature's power is negative, you still add its power and toughness to determine how much life is lost. If that total is negative, its controller doesn't gain or lose any life. For example, Phthisis destroying a -1/3 creature would cause a loss of 2 life. Pthisis destroying a -4/3 creature would cause no loss of life.

2021-03-19 - wotc
Suspend is a keyword that represents three abilities. The first is a static ability that allows you to exile the card from your hand with the specified number of time counters (the number before the dash) on it by paying its suspend cost (listed after the dash). The second is a triggered ability that removes a time counter from the suspended card at the beginning of each of your upkeeps. The third is a triggered ability that causes you to cast the card when the last time counter is removed. If you cast a creature spell this way, it gains haste until you lose control of that creature (or, in rare cases, you lose control of the creature spell while it's on the stack).

2021-03-19 - wotc
You can exile a card in your hand using suspend any time you could cast that card. Consider its card type, any effects that modify when you could cast it (such as flash) and any other effects that stop you from casting it (such as from Meddling Mage's ability) to determine if and when you can do this. Whether you could actually complete all steps in casting the card is irrelevant. For example, you can exile a card with suspend that has no mana cost or that requires a target even if no legal targets are available at that time.

2021-03-19 - wotc
Exiling a card with suspend isn't casting that card. This action doesn't use the stack and can't be responded to.

2021-03-19 - wotc
If an effect refers to a "suspended card," that means a card that (1) has suspend, (2) is in exile, and (3) has one or more time counters on it.

2021-03-19 - wotc
If the first triggered ability of suspend (the one that removes time counters) is countered, no time counter is removed. The ability will trigger again at the beginning of the card's owner's next upkeep.

2021-03-19 - wotc
When the last time counter is removed, the second triggered ability of suspend triggers. It doesn't matter why the last time counter was removed or what effect removed it.

2021-03-19 - wotc
As the second triggered ability resolves, you must cast the card if able. You must do so even if it requires targets and the only legal targets are ones that you really don't want to target. Timing permissions based on the card's type are ignored.

2021-03-19 - wotc
If you can't cast the card, perhaps because there are no legal targets available, it remains exiled with no time counters on it, and it's no longer suspended.

2021-03-19 - wotc
You are never forced to activate mana abilities to pay costs, so if there is a mandatory additional mana cost (such as from Thalia, Guardian of Thraben), you can decline to activate mana abilities to pay for it and hence fail to cast the suspended card, leaving it in exile.

2021-03-19 - wotc
The converted mana cost of a spell cast without paying its mana cost is determined by its mana cost, even though that cost wasn't paid.

2021-03-19 - wotc
If a spell is suspended, that spell's targets are chosen when the spell is finally cast, not when it's exiled.

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