Amoebas

Flying At the beginning of your upkeep, sacrifice Chisei unless you remove a counter from a permanent you control.

Enchant player At the beginning of enchanted player's first upkeep each turn, that player gets an additional upkeep step after this step.

Flying Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When this creature dies, if it had no time counters on it, create two tokens that are copies of it.