What are the top three most popular collectible cardgames?
1. Magic:  The Gathering
2. Pokemon
3. Yu-Gi-Oh!
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What are the top three most popular collectible cardgames?
### Input: 
### Response: 1. Magic:  The Gathering
2. Pokemon
3. Yu-Gi-Oh!