Enchant creature or landEnchanted permanent has "At the beginning of your end step, sacrifice this permanent and attach Nettlevine Blight to a creature or land you control."
+1: You gain 2 life.−1: Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.−6: Create a white Avatar creature token. It has "This creature's power and toughness are each equal to your life total."
Choose two —• Target player gains 7 life.• Put target noncreature permanent on top of its owner's library.• Target player shuffles their graveyard into their library.• Search your library for a creature card, reveal it, put it into your hand, then shuffle.
Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)Howltooth Hollow enters tapped.: Add ., : You may play the exiled card without paying its mana cost if each player has no cards in hand.
Choose two —• Target player loses X life.• Return target creature card with mana value X or less from your graveyard to the battlefield.• Target creature gets -X/-X until end of turn.• Up to X target creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)
Changeling (This card is every creature type.)HasteChampion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)