If this red Zombie is protected, it can generate astonishing value from just a few attacks
A big part of the fun of Commander is in building a deck and finding obscure cards to include
The most aggressive versions of U/G Merfolk probably wouldnt want to play Seafloor Oracle, but a token version that is looking to play a longer game with Deeproot Waters and Jungleborn Pioneer could be looking toward this card for card advantage
Different Situations Pooling Resources: In some cases, players might wrap up their turn after playing lands and casting spells
(To mill a card, put the top card of your library into your graveyard.) When the fourth plan counter is put on this enchantment, sacrifice it
And the most important, it also allows some style experimentation, which I always find refreshing and challenging