Common methods for indicating this include using markers or dice, or simply placing them in order on the battlefield
(2024-06-07) Rampant Frogantua's second ability counts every player who has lost, no matter how the player lost the game: due to a state-based action (having 0 or less life, trying to draw a card from an empty library, having 10 or more poison counters), because of a spell or effect that states they lose the game, because your awesome might has left them with no choice other than concession, or for any other reason
It lets you return a creature from your graveyard to hand, then its void ability kicks in, giving it a +1/+1 counter
In exchange for entering tapped, you get a green/black land that can transform into a beefy 4/4 creature, with not-insignificant upsides, when needed
Please expect some duplicates, however we will do our best to provide as few duplicates as possible