Ooze

This creature's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1.

Duskmourn: House of Horror Commander Tokens

Murders at Karlov Manor Tokens

New Capenna Commander Tokens

When this creature dies, create two 1/1 green Ooze creature tokens.

Consuming Blob

Consuming Blob's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1.
At the beginning of your end step, create a green Ooze creature token with "This token's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1."