Counter target spell.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

(: Add or .)
Irrigated Farmland enters tapped.
Cycling (, Discard this card: Draw a card.)

(: Add or .)
Canyon Slough enters tapped.
Cycling (, Discard this card: Draw a card.)

(: Add or .)
Scattered Groves enters tapped.
Cycling (, Discard this card: Draw a card.)

(: Add or .)
Sheltered Thicket enters tapped.
Cycling (, Discard this card: Draw a card.)

: Add .
, , Sacrifice a Desert: Exile all graveyards.

Indestructible
: Add .
, : Add five mana in any combination of colors.

(: Add or .)
Fetid Pools enters tapped.
Cycling (, Discard this card: Draw a card.)

Heaven deals X damage to each creature with flying.

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Prowess
If a source you control would deal noncombat damage to a creature an opponent controls, put that many -1/-1 counters on that creature instead.

Return target spell to its owner's hand.

Dread Wanderer enters tapped.
: Return Dread Wanderer from your graveyard to the battlefield. Activate only as a sorcery and only if you have one or fewer cards in hand.

Scry 3.

When Resilient Khenra enters, you may have target creature get +X/+X until end of turn, where X is Resilient Khenra's power.
Eternalize (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Jackal Wizard with no mana cost. Eternalize only as a sorcery.)

At the beginning of combat on your turn, target creature token you control gets +1/+1 until end of turn and can't be blocked this turn.
Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Human Cleric with no mana cost. Embalm only as a sorcery.)

Put a -1/-1 counter on each of up to two target creatures.

Draw X cards, then discard a card.

When Rest in Peace enters, exile all graveyards.
If a card or token would be put into a graveyard from anywhere, exile it instead.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, Harsh Mentor deals 2 damage to that player.

Cut deals 4 damage to target creature.

You may exert Glory-Bound Initiate as it attacks. When you do, it gets +1/+3 and gains lifelink until end of turn. (An exerted creature won't untap during your next untap step.)

Return to your hand all cards in your graveyard that you cycled or discarded this turn.

Untap target creature. It gets +2/+2 and gains lifelink until end of turn.

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Whenever Hapatra, Vizier of Poisons deals combat damage to a player, you may put a -1/-1 counter on target creature.
Whenever you put one or more -1/-1 counters on a creature, create a 1/1 green Snake creature token with deathtouch.

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent of their choice or discards a card.

Haste
When Earthshaker Khenra enters, target creature with power less than or equal to Earthshaker Khenra's power can't block this turn.
Eternalize (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Jackal Warrior with no mana cost. Eternalize only as a sorcery.)

Until end of turn, creatures you control gain trample and "Whenever this creature deals combat damage to a player, draw a card."

Return any number of target permanents you own to your hand.

Players can't get counters.
Counters can't be put on artifacts, creatures, enchantments, or lands.

This spell can't be countered.
Creature spells you control can't be countered.

Imminent Doom enters with a doom counter on it.
Whenever you cast a spell with mana value equal to the number of doom counters on Imminent Doom, Imminent Doom deals that much damage to any target. Then put a doom counter on Imminent Doom.

Pride Sovereign gets +1/+1 for each other Cat you control.
, , Exert Pride Sovereign: Create two 1/1 white Cat creature tokens with lifelink. (An exerted creature won't untap during your next untap step.)

Flash
Flying
If an opponent would search a library, that player searches the top four cards of that library instead.

Whenever you cycle or discard a card, you may pay . If you do, create a 2/2 blue Drake creature token with flying.