17 Apr 2020
The target tapped creature will be exiled even if the creature you tapped leaves the battlefield or becomes untapped before Swallow Whole resolves.
17 Apr 2020
You must tap exactly one creature to cast Swallow Whole; you can’t cast it without tapping a creature, and you can’t tap additional creatures.
17 Apr 2020
If an effect copies Swallow Whole, the copy will put a +1/+1 counter on the creature tapped to pay the additional cost of the original spell.
17 Apr 2020
If the target creature is an illegal target by the time Swallow Whole tries to resolve, the spell won’t resolve. You won’t put a +1/+1 counter on any creature.
17 Apr 2020
You can tap any untapped creature you control, including a creature you haven’t controlled continuously since the beginning of your most recent turn, to pay the additional cost.