Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

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

: Add .

: Target creature gets +1/+1 until end of turn.

Destroy all nonblack creatures. Hellfire deals X plus 3 damage to you, where X is the number of creatures that died this way.

When a player casts a spell, sacrifice Hesitation and counter that spell.

Prevent all combat damage that would be dealt this turn.

Hulking Goblin can't block.

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.

Whenever Infectious Horror attacks, each opponent loses 2 life.

All creatures block each combat if able.

The attacking player chooses how each creature blocks each combat.

Green enchantment spells and white enchantment spells cost more to cast.

: Until end of turn, Jodah's Avenger gets -1/-1 and gains your choice of double strike, protection from red, vigilance, or shadow. (A creature with shadow can block or be blocked by only creatures with shadow.)

Flying

Unearth (: 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.)

Target creature deals damage to itself equal to its power.

: Tap target Spirit.

, Sacrifice two artifacts: Destroy target artifact.

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.

: Add .

, Sacrifice a Swamp: Add .

Counter target spell cast from a graveyard.

Draw a card.

Lhurgoyf's power is equal to the number of creature cards in all graveyards and its toughness is equal to that number plus 1.

, Sacrifice Llanowar Druid: Untap all Forests.

Whenever you cast an Elf spell, you may create a 1/1 green Elf Warrior creature token.

Maro's power and toughness are each equal to the number of cards in your hand.

Sacrifice an artifact: Megatog gets +3/+3 and gains trample until end of turn.

Enchant creature

Merseine enters the battlefield with three net counters on it.

Enchanted creature doesn't untap during its controller's untap step if Merseine has a net counter on it.

Pay enchanted creature's mana cost: Remove a net counter from Merseine. Only the controller of the enchanted creature may activate this ability.

Attacking creatures get +1/+0.

You may pay and return a basic land you control to its owner's hand rather than pay this spell's mana cost.

Mistvein Borderpost enters the battlefield tapped.

: Add or .

Destroy all creatures target player controls. For each creature that died this way, that player creates two 1/1 red Goblin creature tokens.

Monstrous Carabid attacks each combat if able.

Cycling (, Discard this card: Draw a card.)

Necrogen Censer enters the battlefield with two charge counters on it.

, Remove a charge counter from Necrogen Censer: Target player loses 2 life.

Sacrifice Nezumi Shadow-Watcher: Destroy target Ninja.

, : Tap target creature.

Threshold — , : Tap two target creatures. Activate only if seven or more cards are in your graveyard.

Return all Islands to their owners' hands. Each player sacrifices a Plains or a white permanent for each white permanent they control.

Orcish Cannonade deals 2 damage to any target and 3 damage to you.

Draw a card.

, , Sacrifice Orcish Settlers: Destroy X target lands.

Sacrifice an artifact: Oxidda Daredevil gains haste until end of turn.

, Exile any number of cards from your graveyard: Target creature gets -X/-X until end of turn, where X is the number of cards exiled this way.

Whenever a creature enters the battlefield, that creature's controller may have it deal damage equal to its power to any target of their choice.

Destroy target creature. Its owner gains 4 life.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.

: Pestilence deals 1 damage to each creature and each player.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Sacrifice a creature: Phyrexian Ghoul gets +2/+2 until end of turn.

When Piston Sledge enters the battlefield, attach it to target creature you control.

Equipped creature gets +3/+1.

Equip—Sacrifice an artifact.

: Target opponent reveals a card at random from their hand. If it's an instant or sorcery card, exile it. You may cast it without paying its mana cost for as long as it remains exiled. At the beginning of the next end step, if you haven't cast it, return it to its owner's hand. Activate only as a sorcery.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

As Prismatic Circle enters the battlefield, choose a color.

: The next time a source of your choice of the chosen color would deal damage to you this turn, prevent that damage.

Morph—Discard a Zombie card. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Radiant's Dragoons enters the battlefield, you gain 5 life.

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

Rampart Crawler can't be blocked by Walls.

Flying (This creature can't be blocked except by creatures with flying or reach.)

First strike (This creature deals combat damage before creatures without first strike.)

Return target card from your graveyard to your hand.