Plus confirmed full stats and effects of Caspar.

Madan no Akuma Zamiel / Magibullet Fiend Zamiel

Light Fiend / Effect

LV8 2500/2500

You can Tribute Summon this card face-up by Tributing 1 “Magibullet” monster.

You can only use this card name’s (2) effect once per turn.

(1) You can activate “Magibullet” Spell/Trap Cards from your hand during either player’s turn.

(2) During your opponent’s End Phase: You can draw 1 card for each “Magibullet” Spell/Trap Card you activated this turn while this card was face-up.

Madan no Shashu Caspar / Magibullet Shooter Caspar

Light Fiend / Effect

LV3 1200/2000

You can only use this card name’s (2) effect once per turn.

(1) You can activate “Magibullet” Spell/Trap Cards from your hand during either player’s turn.

(2) If a Spell/Trap Card is activated in the same column as this card: You can add 1 “Magibullet” card with a different name from that card from your Deck to your hand.

Source: http://yu-gi-oh.jp/news_2017062301.php