Cannot be destroyed by battle or your opponent's card effects
It's already my favorite deckbuilding website for Commander, and having my collection keyed into the site makes it even easier, a one-stop bundle to keep track of my Magic cards, decks, and everything
Rank 2 XYZ monsters saw considerable play during Spright format, and Cat Shark was a powerful card for this reason
Fortress Whales Oath
It takes some finagling, but this could help you keep cards that are meant to only last a single turn on the battlefield for an indefinite period, and if you double up on Warp effects with someone like Tannuk, you can get stuff like the previously mentioned Blightsteel Colossus on the field permanently that much faster
So, let's assume we implemented After some thought, we decided that it would result in gameplay with no differences from following the steps precisely unless it wouldn't