(Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Whenever one or more other creatures you control enter, if they entered or were cast from a graveyard, create a token thats a copy of one of them
Ravenous Rats and Mesmeric Fiend were used a fair amount back in the day as disruption and value in Recurring Nightmare style rock decks
Ephara, God of the Polis Ephara, God of the Polis has a slightly different take on creaturefall since it checks for it at the beginning of the next upkeep rather than the moment the creature enters
Do I Need Mythic to Get Season Rewards
For five mana, this 0/0 Fungus Shaman enters the battlefield with five +1/+1 counters on it
Sicken simply allows you to turn your dead spell into something else random for a tempo cost