Mana Echoes [Onslaught] SWSH126 You can use this effect

You can use this effect of "Neo Blue-Eyes Ultimate Dragon" up to twice per turn

you can Special Summon up to 4 Level 2 or lower Zombie-Type Normal Monsters from your Graveyard

shuffle all other cards from the field and the GYs into the Deck

your opponent cannot activate Spell Cards during the next turn

Reverse Type: Legendary Enchantment Whenever an opponent casts their first spell each turn

Mana Echoes [Onslaught] SWSH126 You can use this effectSet: Onslaught Type: Enchantment Rarity: Rare Cost: {2}{R}{R} Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it. When the ground is saturated with mana, even the lightest footstep can bring it to the surface.