Ferdinand, the Wit's End

Lifelink, Vigilance
At the start of your end step, create a 5/5 legendary black creature token named Echo with lifelink,
haste, and {1}:"sacrifice this creature, target
creature gains hexproof and indestructible until
end of turn.
Ferdinand, Devourer of Wits power is equal to the number of cards in each opponents graveyard.
A fate worse than death, hidden behind kind and sorrowful eyes.