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

The system can be changed from within

Set: Wizards Play Network 2011 Type: Artifact Creature — Phyrexian Myr Rarity: Rare Cost: {2} Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters

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

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

Set: Collectors' Edition Type: Sorcery Rarity: Rare Cost: {2}{R} Each player discards their hand

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.