If you like these "call writing as dividend" plays, MSTY (MSTR) & CONY (COIN) are the best since they have very high IV. As long as Bitcoin remains volatile and in an uptrend you should also have a pretty good total return as well.
There is another thread under the ETFs moniker that covers this topic in more detail: https://www.elitetrader.com/et/threads/yield-max.381141/