We finally find out what the JumpFes promo cards do
WATER Reptile / Fusion / Effect
2+ monsters you control Special Summoned from the Extra Deck
(1) Monsters your opponent controls of the same type (Fusion/Synchro/Xyz/Pendulum/Link) as any of the materials used for this card’s Fusion Summon lose ATK equal to their own original ATK.
(2) When this card inflicts 1000 or more battle damage to your opponent: You can draw 1 card for every 1000 damage they took.
LIGHT Warrior / Synchro / Effect
1 Tuner + 1+ non-Tuner monsters
You can only use the effect of this card’s name once per turn.
(1) If this card is Synchro Summoned: You can apply 1 of these effect based on the Levels of the materials used for this card’s Summon. If you used 3 or more materials, apply all 3 effects, in sequence.
● 1 and 5: Destroy 1 other card on the field.
● 2 and 4: Draw 1 card.
● 3 and 3: This card is treated as a Tuner.
Ekijou Kyojin Daidaratant / Daidalatant the Liquid Giant
WATER Zombie / Xyz / Pendulum / Effect
PS3 RK4 2400/400
You can only use the Pendulum Effect of this card’s name once per turn.
(1) You can target 1 Xyz Monster you control; attach this card to it as material.
2 Level 4 monsters
If you can Pendulum Summon Level 4, you can Pendulum Summon this face-up card in your Extra Deck. You can only use the 1st and 2nd monster effect of this card’s name each once per turn.
(1) You can detach 1 material from this card; place this card in your Pendulum Zone, then you can add 1 Pendulum Monster from your GY to your Extra Deck face-up.
(2) If this card in the Monster Zone is destroyed by battle or card effect: You can place this card in your Pendulum Zone.
Note: Daidarabocchi + dilatant liquid
Chunahiki Taikai / Tuner-Hiki-Tug-of-War
(1) When either player draws a Tuner(s) for their normal draw during their Draw Phase: They can reveal that card(s); that player draws 2 cards.
(2) If your opponent draws with this card’s 1st effect: You lose 2000 LP, and if you do, send this card to the GY.
(1) Once per turn: You can target 1 face-up monster on the field; it becomes a Machine monster, also its Attribute also is treated as LIGHT, DARK, EARTH, WATER, FIRE, and WIND.
Source: Official Database