mtg cards that swap life totals Let's Brew: Evra, Halcyon Witness Ask a Magic Judge —

but not a zero

This means casting costs, ability costs, mana abilities that generate specific mana colors, etc

You may also want to keep an eye out for Zell Dincht, as the ability to play a second each turn means multiple Landfall triggers

Next, we will look into some interesting tech for them, as well as whether they would fit into the 99 of the main deck for any other existing commanders

This card is obviously good with any commander that has green in their color identity, but you can also use it to cast any legendary spell and prevent it from being countered

The point Im trying to make here is that for something like this to be a quote-unquote good card, the secondary effect has to be worth playing on its own