Overview
Konami has just revealed 10 support cards for the "Umi" series coming in Beyond the Brave, along with a new alternate art card! Check them out, and let us know your thoughts in the comments below!
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Atlantis Dragon Lord - Daedalus
Level 7 WATER Sea Serpent Effect Monster
ATK/ 2600 DEF/ 1500
You can only use this card name's (1) and (3) effects once per turn each.
(1) If you control "Atlantis, the Dragon City" or "Umi": You can Special Summon this card from your hand.
(2) This card's name becomes "Umi" while in the Monster Zone.
(3) You can send up to 3 face-up "Umi" you control to the GY; add an equal number of cards that mention "Atlantis, the Dragon City" from your Deck to your hand, except Level 7 monsters, then you can send 1 card on the field to the GY.

General of Atlantis
Level 5 WATER Sea Serpent Effect Monster
ATK/ 2100 DEF/ 1400
You can only use this card name's (1) and (3) effects once per turn each.
(1) You can discard this card; add 1 Spell/Trap that mentions "Atlantis, the Dragon City" from your Deck to your hand.
(2) This card's name becomes "Umi" while in the Monster Zone.
(3) If this card is in your GY and you control "Umi": You can Special Summon this card.

Monstrous Arms of Atlantis
Level 4 WATER Sea Serpent Effect Monster
ATK/ 1500 DEF/ 1200
You can only use this card name's (1) and (3) effects once per turn each.
(1) If this card is Normal or Special Summoned: You can target 1 monster in your GY that mentions "Atlantis, the Dragon City"; Special Summon it in Defense Position.
(2) This card's name becomes "Umi" while in the Monster Zone.
(3) When your opponent activates a monster effect (Quick Effect): You can banish this card from your field or GY and send 1 face-up "Umi" you control to the GY; negate that effect.

Fiendish Vortex of Atlantis
Level 4 WATER Sea Serpent Effect Monster
ATK/ 1400 DEF/ 1800
You can only use this card name's (1) and (3) effects once per turn each.
(1) If this card is Normal or Special Summoned: You can send 1 card that mentions "Atlantis, the Dragon City" from your Deck to the GY, except "Fiendish Vortex of Atlantis".
(2) This card's name becomes "Umi" while in the Monster Zone.
(3) If this card is sent to the GY and you control "Umi": You can Special Summon 1 WATER monster from your hand.

Blue Ocean Dragon Lord – Neo Daedalus Rage
LINK-4 WATER Sea Serpent Link Effect Monster
ATK/ 2900 LINK-4
Link Arrows: Top, Bottom-Left, Bottom, Bottom-Right
4 monsters
(1) If this card is Link Summoned: You can Special Summon up to 3 monsters that mention "Atlantis, the Dragon City" from your GY to your zones this card points to, also you cannot Special Summon for the rest of this turn.
(2) This card's name becomes "Umi" while in the Monster Zone.
(3) Once per turn (Quick Effect): You can send 1 face-up "Umi" you control to the GY; send all cards on the field to the GY, except "Umi".

Levia-Dragoon - Daedalus
LINK-3 WATER Sea Serpent Link Effect Monster
ATK/ 2600 LINK-3
Link Arrows: Bottom-Left, Bottom, Bottom-Right
3 WATER monsters
You can only use this card name's (1) and (3) effects once per turn each.
(1) If this card is Link Summoned: You can Special Summon 1 monster that mentions "Atlantis, the Dragon City" from your Deck.
(2) This card's name becomes "Umi" while in the Monster Zone.
(3) During the Main Phase (Quick Effect): You can send 1 face-up "Umi" you control to the GY; your opponent discards their entire hand, and if they do, they draw the same number of cards. Neither player can activate cards or effects in response to this effect's activation.