Deus Ex Machina, God of Machines (DBV-093) [The Decisive Battle of Valhalla]

As this card enters the field, remove any number of counters from entities you control. This card enters the field with [+100/+100] counters on it equal to twice the number of counters removed this way. As long as there are ten or more [+100/+100] counters on this card, it gains [Flying], [Eternal], and "Remove a [+100/+100] counter from this card: Put a [+100/+100] counter or a counter with a name of your choice on another target entity you control.".