Flying {B}: Battlefly Swarm gains deathtouch until end of turn.

At the beginning of combat on your turn, if you both own and control Graf Rats and a creature named Midnight Scavengers, exile them, then meld them into Chittering Host.

Deathtouch When Guildsworn Prowler dies, if it wasn't blocking, draw a card.

When Midnight Scavengers enters the battlefield, you may return target creature card with mana value 3 or less from your graveyard to your hand. (Melds with Graf Rats.)

Enchant creature you control When Aspect of Lamprey enters the battlefield, target opponent discards two cards. Enchanted creature has lifelink.

Enchant land Enchanted land is a Swamp. Whenever enchanted land becomes tapped, its controller loses 2 life.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control and you create a Treasure token." (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Choose one — • Put a +1/+1 counter on target creature. • Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Target creature gets +1/+0 and gains lifelink and indestructible until end of turn. (Damage dealt by that creature also causes its controller to gain that much life, and it can't be destroyed by damage or effects that say "destroy.")

Destroy target nonartifact, nonblack creature. It can't be regenerated.

When Sunscorched Desert enters the battlefield, it deals 1 damage to target player or planeswalker. {T}: Add {C}.

Target player mills two cards, draws two cards, and loses 2 life. (To mill a card, a player puts the top card of their library into their graveyard.)

Target player draws two cards and loses 2 life.