Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard.
When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.When this creature dies, you may draw a card.
When Necromancer's Covenant enters, exile all creature cards from target player's graveyard, then create a 2/2 black Zombie creature token for each card exiled this way.Zombies you control have lifelink.
Choose three. You may choose the same mode more than once.• Target player draws a card and loses 1 life.• Target creature gets -2/-2 until end of turn.• Return target creature card from your graveyard to your hand.
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.)Mosswort Bridge enters tapped.: Add ., : You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)When Shriekmaw enters, destroy target nonartifact, nonblack creature.Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)
HasteMyriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)