Counter target spell unless its controller pays {4}.
“I can take what haunts you. But I can't take what it's done to you. And I can't promise it'll make anything any better. But... it shouldn't make things any worse.” —Mei Liva, to Karina and Flynn
Forgotten Attic enters tapped. When Forgotten Attic enters, look at the top card of your library. You may put it into your graveyard. {T}: Add {U} or {B}.
The first of her kin that Saffrisa raised with the Bloodguard's Hand rose as things between worlds, too weak to be accepted by her tribe and too immaterial to control.
Reveal the bottom card of your library. You may put it on top of your library. Target creature gets -0/-X until end of turn, where X is that card's mana value.
Search your library for a creature card, an instant card and a sorcery card and reveal them. Put one of those cards into your hand, exile the rest, then shuffle.
When Forlorn Murklurker dies, submerge the top card of your library. (To submerge a card, exile it, then put it on the battlefield face down under its owner's control as a 2/2 creature.)
When Forlorned Knight enters, you may sacrifice another creature. If you do, create two 1/1 white Human creature tokens. Whenever you attack, if another creature died under your control this turn, creatures you control get +1/+1 until end of turn. Fleeting {W}{B}(You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)
Enchant creature Enchanted creature has deathtouch and menace. {G}{U}: Enchanted creature gains hexproof and indestructible until end of turn. Tap it. {R}: Enchanted creature gets +1/+0 until end of turn.
Enchant creature Enchanted creature gets +2/+2 and has flying and haste. When enchanted creature dies, return it to the battlefield under its owner's control.
Flash Enchant creature Enchanted creature has erratic. (When this creature dies, reveal the top four cards of your library. Put a creature card that costs less than this revealed this way onto the battlefield and the rest on the bottom of your library in any order.)