Magical Hack [Alpha Edition] HGSS04 Set: Dominaria Prerelease Promos Type:

Set: Dominaria Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control

Set: XY: Ancient Origins Type: Water Rarity: Holo Rare Retreat cost: Colorless

if your opponent adds a card(s) from their Deck to their hand (except during the Draw Phase): You can send this card from your hand to the Graveyard

you can Tribute 1 other Fish-Type monster to negate the effect and destroy that card

Magical Hack [Alpha Edition] HGSS04 Set: Dominaria Prerelease Promos Type:Set: Alpha Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)