Elemental Hero Aqua Neos (UTR) (POTD-EN031) [Power of the Duelist] RT4 They can not be Tributed

They can not be Tributed for a Tribute Summon

where X is the number of opponents that were dealt combat damage this turn

Set: San Diego Comic-Con 2015 Type: Legendary Creature — Elf Scout Rarity: Mythic Cost: {2}{G} When Nissa

Set: Duelist League Promo Card type: Quick Play Spell Rarity: Rare Destroy 1 Spell or Trap Card on the field

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} At the beginning of your upkeep

Elemental Hero Aqua Neos (UTR) (POTD-EN031) [Power of the Duelist] RT4 They can not be TributedSet: Power of the Duelist Card type: Fusion Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 2000 "Elemental Hero Neos" + "Neo Spacian Aqua Dolphin" This card can only be Special Summoned from your Fusion Deck by returning the above cards from your side of the field to the Deck. (You do not use "Polymerization".) Once per turn, by discarding 1 card from your hand, select 1 random card from your opponent's hand and destroy it. This card