Arceus (AR4) [Platinum: Arceus]Set: Platinum: Arceus Type: Water Rarity: Holo Rare Retreat cost: Colorless,Colorless

be dealt damage

if you control three or more artifacts

When Cavalier of Dawn enters the battlefield

Madness {U} (If you discard this card

Configuration:

Set: Seventh Edition Type: Artifact Rarity: Uncommon Cost: {3} Whenever a creature attacks

4 total from: Upper Deck Update

Set: Alpha Edition Type: Creature — Merfolk Rarity: Common Cost: {U} Most human scholars believe that Merfolk are the survivors of sunken Atlantis

with players advancing down this track to take actions

Set: Sun & Moon: Lost Thunder Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities

Set: HeartGold & SoulSilver: Black Star Promos Type: Fire Rarity: Black Star Promo Retreat cost: Colorless