Pestilence (Retro) [30th Anniversary Edition] League Tokens 2014 The system can be changed

The system can be changed from within

and planeswalker spells that player casts cost {2} less to cast

Set: World Championship Decks 2000 Type: Enchantment Rarity: Rare Cost: {2}{U} Return Attunement to its owner's hand: Draw three cards

you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less

Set: Portal Three Kingdoms Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

Pestilence (Retro) [30th Anniversary Edition] League Tokens 2014 The system can be changedSet: 30th Anniversary Edition Type: Enchantment Rarity: Common Cost: {2}{B}{B} At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence. {B}: Pestilence deals 1 damage to each creature and each player.