You can’t cast Reasonable Doubt just to suspect a creature. There has to be a spell on the stack that’s a legal target for Reasonable Doubt.
02-02-2024
wotc
Being suspected isn’t a copiable value. If a permanent becomes a copy of a suspected creature, it won’t be suspected.
02-02-2024
wotc
There’s no limit to the number of creatures that can be suspected simultaneously. Suspecting a new creature doesn’t cause other creatures to stop being suspected.
02-02-2024
wotc
If a suspected creature loses all abilities, it will lose menace and "This creature can't block", but it won’t stop being suspected.
02-02-2024
wotc
When an effect suspects a creature, it becomes suspected. It gains menace and "This creature can't block" for as long as it’s suspected. It stays suspected until it leaves the battlefield or another effect causes it to no longer be suspected.
02-02-2024
wotc
If a creature is already suspected, suspecting it again won’t have any effect.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.