Heartstone [Premium Deck Series: Slivers]

Heartstone [Premium Deck Series: Slivers]Set: Premium Deck Series: Slivers Type: Artifact Rarity: Uncommon Cost: {3} Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana. "Finding a true heartstone is even harder than finding a true heart." Hanna, *Weatherlight* navigator

Its flight sets the sky itself on fire

−7: Search your library for up to two creature and/or planeswalker cards

Let my former home call me traitor

Set: Theros Type: Creature — Human Druid Rarity: Uncommon Cost: {3}{G} {T}: Add an amount of {G} equal to your devotion to green

it enters the battlefield as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card

The same energy is endlessly recycled and becomes more stagnant with each pass

Shuffle Black Sun's Zenith into its owner's library

Tap up to five target permanents that player controls

you may untap Pristine Angel

Set: Rivals of Ixalan Type: Legendary Creature — Elder Dinosaur Rarity: Rare Cost: {4}{R}{R} Whenever Etali

those creatures gain "Whenever this creature deals combat damage to a player

Set: Magic 2011 Type: Creature — Leviathan Rarity: Rare Cost: {5}{U}{U}{U} Islandwalk (This creature can't be blocked as long as defending player controls an Island