mtg cards like abundance Similar to Leyline of Whenever this creature attacks Abundance (Card) | EDHREC

Black Stitched Playmat (BS)

Creatures with infect deal damage in the form of poison counters to players and in the form of -1/-1 counters to creatures

The only card that doesn't see frequent play in Voltron decks here is Staff of the Storyteller, and that's only because this is the first time it's being reprinted outside of the Phyrexia: All Will Be One Commander precon

Spells like Citywide Bust, which destroys large creatures, and Ravnica at War, which exiles multicolored creatures, have a good chance of wiping your opponents boards without touching your own

You get to cast the copy as the triggered ability resolves (which is triggered whenever the encoded creature deals combat damage to a player), ignoring timing restrictions

Not to say that you can't pursue it, but you're probably better off leaving Jodah as the five-color legendary goodstuff commander that he is