B.E.S making a comeback

https://ygorganization.com/macr-5-new-cards/

MACR-JP062 巨大要塞ゼロス Kyodai Yousai Zeros / Great Fortress Zelos
Field Spell Card
(1) When this card is activated: You can add 1 “Boss Rush” from your Deck to your hand.
(2) “B.E.S.” monsters and “Big Core” you control gain 500 ATK and DEF, also they cannot be targeted, or destroyed by, an opponent’s card effect.
(3) Once per turn: You can Special Summon 1 “B.E.S.” monster or “Big Core” from your hand.
(4) If a “B.E.S.” monster or “Big Core” is Normal or Special Summoned to your field: You can place 1 Counter that can be used by that monster’s own effect on that monster.

a searcher for Boss Rush, let your Boss Rush's B.E.S have a counter to survive on, protect your B.E.S and it fully support Boss Rush's effect

now we only need new B.E.S :3