You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. Wildfield Borderpost enters the battlefield tapped. {T}: Add {G} or {W}.
When Necromancer's Covenant enters the battlefield, 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.
Flying Whenever Spellbound Dragon attacks, draw a card, then discard a card. Spellbound Dragon gets +X/+0 until end of turn, where X is the discarded card's mana value.