Flying

Vanishing 3 (This creature enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

When Aven Riftwatcher enters or leaves the battlefield, you gain 2 life.

Target creature gains deathtouch until end of turn.

Draw a card.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

When Blistergrub dies, each opponent loses 2 life.

As an additional cost to cast this spell, sacrifice a creature.

Destroy target creature.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I -- You may sacrifice a creature. If you do, each opponent discards a card.

II -- Return target creature card from your graveyard to your hand.

III -- Target opponent may sacrifice a nonland, nontoken permanent. If they don't, they lose 2 life and you draw a card.

Return target black creature card from your graveyard to your hand.

Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Target player sacrifices an attacking or blocking creature.

Exile target creature you control, then return that card to the battlefield under your control.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw two cards.

Enchant creature

Enchanted creature gets -2/-2.

Whenever another creature dies, you may gain 1 life.

Target player sacrifices a creature, then gains life equal to that creature's toughness.

Search your library for a card, put that card into your hand, then shuffle.

Return target creature card from your graveyard to your hand.

Destroy target nonblack creature.

Unearth {B} ({B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{B}: Regenerate Dutiful Thrull.

Flying

When Emancipation Angel enters the battlefield, return a permanent you control to its owner's hand.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Flash

Enchant creature

Enchanted creature gets -2/-1.

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

Flying

{3}{W}: Exile Flickering Spirit, then return it to the battlefield under its owner's control.

Flying

When Flickerwisp enters the battlefield, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

When Forbidding Spirit enters the battlefield, until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays {2} for each of those creatures.

Forsaken Sanctuary enters the battlefield tapped.

{T}: Add {W} or {B}.

When a nonblack creature enters the battlefield, sacrifice Grave Peril. If you do, destroy that creature.

{1}, Sacrifice a creature: You gain 2 life.

Target opponent reveals their hand. You choose a creature card from it. That player discards that card. Scry 1.

Whenever another creature enters the battlefield under your control, you gain 2 life.

Whenever another creature enters the battlefield under your control, you gain 1 life.

Exile target creature you control, then return that card to the battlefield under its owner's control. It gains first strike until end of turn.

When Liliana's Shade enters the battlefield, you may search your library for a Swamp card, reveal it, put it into your hand, then shuffle.

{B}: Liliana's Shade gets +1/+1 until end of turn.

Target player discards two cards.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

Ward {X}, where X is the number of experience counters you have.

At the beginning of your end step, if a permanent you controlled left the battlefield this turn, you get an experience counter.

Creatures you control get +1/+0 for each experience counter you have.

Return up to two target creature cards from your graveyard to your hand.

Whenever Mortis Dogs attacks, it gets +2/+0 until end of turn.

When Mortis Dogs dies, target player loses life equal to its power.

Destroy target creature.

Flash

When Offalsnout leaves the battlefield, exile target card from a graveyard.

Evoke {B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Deathtouch

Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Orzhov Guildgate enters the battlefield tapped.

{T}: Add {W} or {B}.

{T}: Add {W} or {B}.

{W}{B}: Orzhov Keyrune becomes a 1/4 white and black Thrull artifact creature with lifelink until end of turn.

{T}: Add {W} or {B}.

{W/B}{W/B}{W/B}{W/B}, {T}, Sacrifice Orzhov Locket: Draw two cards.

Enchant creature

Enchanted creature can't attack or block.

Palace Guard can block any number of creatures.

Prevent all damage a source of your choice would deal this turn.

When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.

Piercing Light deals 2 damage to target attacking or blocking creature. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.

Defender

{1}, Sacrifice Resolute Watchdog: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Whenever equipped creature deals combat damage to a player, you may draw a card.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

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.")

Whenever another creature enters the battlefield, exile Saltskitter. Return Saltskitter to the battlefield under its owner's control at the beginning of the next end step.

{1}, Sacrifice Scroll of Avacyn: Draw a card. If you control an Angel, you gain 5 life.

Flying

Prevent all combat damage that would be dealt to Seraph of the Sword.

Target player draws two cards and loses 2 life.

Destroy target artifact or enchantment. You gain 4 life.

Enchant creature

Enchanted creature gets -2/-2.

At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life.

Whenever another creature enters the battlefield under your control, you may gain 1 life.

Whenever a creature enters the battlefield under an opponent's control, you may have that player lose 1 life.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

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

Tormented Soul can't block and can't be blocked.

{B}: Twilight Panther gains deathtouch until end of turn.

Creatures you control gain indestructible until end of turn.

Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

Enchant creature

Enchanted creature gets +2/+1.

Kicker {3} (You may pay an additional {3} as you cast this spell.)

{B}: Regenerate Urborg Skeleton.

If Urborg Skeleton was kicked, it enters the battlefield with a +1/+1 counter on it.

Enchant creature

Enchanted creature gets -1/-1, and its activated abilities can't be activated.

{2}, Sacrifice Voyager Staff: Exile target creature. Return the exiled card to the battlefield under its owner's control at the beginning of the next end step.