Although the very first cards that used the mechanicDeath Ward, its counterpart Disintegrate, and of course Regeneration were fairly simple, the ability came to be considered one of the most convoluted mechanics in the game at the time
If youre piloting these decks, you can help out a newer player who isnt drawing into the lands or answers that they need, while a newer player whos piloting a group hug commander or wheel commander doesnt look as threatening as a very aggressive commander that cheats battlecruisers into play
Still, for a long time it was a difficult card to find
Of course, the MTG designers understood the assignment
When it comes to these exceptions, they generally need to be revealed to both the judges and the opponent before a game even starts
The proliferate synergy in this deck is also great, and feels very well-designed