Chittering Host
Creature — Eldrazi Horror
Haste
Menace (This creature can't be blocked except by two or more creatures.)
When Chittering Host enters the battlefield, other creatures you control get +1/+0 and gain menace until end of turn.
5/6
Illustrated by
Eldritch Moon#96bCommonEnglishPrice unavailable
Legality
Rulings
Jul 13, 2016
If a card in a player’s graveyard has 
in its mana cost, X is considered to be 0.
Jul 13, 2016
The set of creatures affected by Chittering Host’s triggered ability is determined as the ability resolves. Creatures you begin to control later in the turn won’t get +1/+0 or gain menace.
Jul 13, 2016
For more information on meld cards, see the Eldritch Moon mechanics article (https://magic.wizards.com/en/articles/archive/feature/eldritch-moon-mechanics-2016-06-27).