Whenever a permanent other than a basic land enters, destroy all other permanents with that name
Raptor Companion: Limited vanilla creature
FAQs Whats the difference between uninstalling and permanently removing a game from Steam
Starting with the Alara block, booster packs for both Core Sets and expansions began to contain 1 land, 10 commons, 3 uncommons, either 1 rare (7/8 chance) or 1 mythic rare (1/8 chance), and either a tip card (which explains the new rules in the set, such as exalted in the Alara Block or Infect in the Scars of Mirrodin Block) or a token (which is of a type produced by a card in the set)
During the night, cards with the nightbound keyword become more powerful
I don't think it's very fun, but it might be good