That could be equip costs, but it could also be something like, say, Gilraen, Dnedain ProtectorGilraen, Dnedain Protector, reducing the cost to a simple tap
They also have a foil set, and again, it will be $10 more
If a spell or ability lets an opponent cast a spell as part of its effect (such as suspend and rebound do), that opponent can't cast that spell since the resolving ability is still on the stack
At first blush, that makes it sound like a net win for the old and a net loss for the new, but let's hone in on what's gone: Legacy and Theme , the former of which tasked players with tapping into only older cards, and then only from the HeartGold & SoulSilver and Black & White generations
[Unopened box with shrink]
Especially in the Commander format, a life is a very small price to pay for access to additional cards