When Academy Rector dies, you may exile it. If you do, search your library for an enchantment card, put that card onto the battlefield, then shuffle.

Trample

At the beginning of your upkeep, put a +1/+1 counter on each creature each opponent controls.

({T}: Add {B} or {R}.)

{2}, Sacrifice a permanent: Return target creature to its owner's hand.

({T}: Add {B} or {G}.)

If a player would draw a card, instead they draw a card and reveal it. If it's a creature card, that player discards it unless they pay 3 life.

Whenever a creature enters the battlefield, you lose 1 life and add {B}.

{T}, Exile a creature you control: Put a storage counter on City of Shadows.

{T}: Add {C} for each storage counter on City of Shadows.

Players can cast spells and activate abilities only during their own turns.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Commander Greven il-Vec enters the battlefield, sacrifice a creature.

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)

Return the top creature card of your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.

Crovax the Cursed enters the battlefield with four +1/+1 counters on it.

At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax.

{B}: Crovax gains flying until end of turn.

Regenerate target creature. You gain control of that creature if it regenerates this way.

Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.

Tap an untapped creature you control: Untap target basic land.

Other Elf creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Other Elves have shroud. (They can't be the targets of spells or abilities.)

At the beginning of your upkeep, for each land target player controls in excess of the number you control, choose a land that player controls, then the chosen permanents phase out. Repeat this process for artifacts and creatures. (While they're phased out, they're treated as though they don't exist. They phase in before that player untaps during their next untap step.)

{2}{U}{U}, {T}: Counter target spell.

Whenever an enchantment is put into a graveyard from the battlefield, draw a card.

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

Flying

When Gilded Drake enters the battlefield, exchange control of Gilded Drake and up to one target creature an opponent controls. If you don't or can't make an exchange, sacrifice Gilded Drake. This ability still resolves if its target becomes illegal.

{T}: You may put a Goblin permanent card from your hand onto the battlefield.

{R}: Target Goblin gains protection from white until end of turn.

Grim Monolith doesn't untap during your untap step.

{T}: Add {C}{C}{C}.

{4}: Untap Grim Monolith.

Flying

{U}{U}: Return target Aura card from your graveyard to the battlefield attached to Hakim, Loreweaver. Activate only during your upkeep and only if Hakim isn't enchanted.

{U}{U}, {T}: Destroy all Auras attached to Hakim.

At the beginning of your upkeep, put a -1/-1 counter on each creature.

As an additional cost to cast this spell, pay X life.

Target creature gets +X/+0 until end of turn.

{X}, {T}: Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.

All creatures lose all abilities and have base power and toughness 1/1.

Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.

If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add {B}.

{T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.

Discard your hand, Sacrifice Lion's Eye Diamond: Add three mana of any one color. Activate only as an instant.

When Lord of Tresserhorn enters the battlefield, you lose 2 life, you sacrifice two creatures, and target opponent draws two cards.

{B}: Regenerate Lord of Tresserhorn.

If Lotus Vale would enter the battlefield, sacrifice two untapped lands instead. If you do, put Lotus Vale onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add three mana of any one color.

{T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way.

Discard a card: You may tap or untap target artifact, creature, or land.

{U}: Untap Morphling.

{U}: Morphling gains flying until end of turn.

{U}: Morphling gains shroud until end of turn. (It can't be the target of spells or abilities.)

{1}: Morphling gets +1/-1 until end of turn.

{1}: Morphling gets -1/+1 until end of turn.

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add one mana of any color.

Activated abilities of artifacts can't be activated.

Each other non-Aura enchantment is a creature in addition to its other types and has base power and base toughness each equal to its mana value.

Flying

When Palinchron enters the battlefield, untap up to seven lands.

{2}{U}{U}: Return Palinchron to its owner's hand.

Trample

When Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

This spell costs 3 life more to cast for each target.

Destroy any number of target creatures.

({T}: Add {R} or {W}.)

At the beginning of your upkeep, you may put a fuse counter on Powder Keg.

{T}, Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg.

Skip your draw step.

Whenever you play a card, draw a card.

Your maximum hand size is two.

Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

Destroy all creatures with power 4 or greater. They can't be regenerated.

({T}: Add {G} or {W}.)

If Scorched Ruins would enter the battlefield, sacrifice two untapped lands instead. If you do, put Scorched Ruins onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add {C}{C}{C}{C}.

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

Destroy all artifacts. They can't be regenerated. The controller of each of those artifacts gains life equal to its mana value.

{T}: Add {W} for each enchantment you control.

Return the top creature card of your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.

Flying

Shauku, Endbringer can't attack if there's another creature on the battlefield.

At the beginning of your upkeep, you lose 3 life.

{T}: Exile target creature and put a +1/+1 counter on Shauku.

{2}: Create a 1/1 colorless Sliver creature token.

{G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

({T}: Add {R} or {G}.)

Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards, put them into your hand, then shuffle.

Enchant creature

When Treachery enters the battlefield, untap up to five lands.

You control enchanted creature.

({T}: Add {G} or {U}.)

({T}: Add {W} or {U}.)

({T}: Add {U} or {B}.)

{1}, Pay 1 life: Draw a card, then discard a card.

({T}: Add {U} or {R}.)

{T}: Add {C}.

{1}{B}, {T}: Put target creature card from your graveyard on top of your library.

Each player discards their hand, then draws seven cards.

{T}: Add {C}.

{G}, {T}: Regenerate target creature.

Until end of turn, you may play lands and cast spells from your graveyard.

If a card would be put into your graveyard from anywhere this turn, exile that card instead.