Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}.

{8}, {T}: Aladdin's Ring deals 4 damage to any target.

{2}, {T}: Target permanent you control becomes the color of your choice. (This effect lasts indefinitely.)

Enchant artifact

As long as enchanted artifact isn't a creature, it's an artifact creature with power and toughness each equal to its mana value.

Enchant Wall

Enchanted Wall can attack as though it didn't have defender.

Enchant creature

Enchanted creature can't be the target of spells and can't be enchanted by other Auras.

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Haste

Rampage 1 (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)

{2}, {T}: Put a charge counter on Blue Mana Battery.

{T}, Remove any number of charge counters from Blue Mana Battery: Add {U}, then add an additional {U} for each charge counter removed this way.

{1}, Sacrifice Bottle of Suleiman: Flip a coin. If you win the flip, create a 5/5 colorless Djinn artifact creature token with flying. If you lose the flip, Bottle of Suleiman deals 5 damage to you.

Whenever Brushwagg blocks or becomes blocked, it gets -2/+2 until end of turn.

Enchant creature

Enchanted creature has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)

Cast this spell only during your declare attackers step.

This turn, instead of declaring blockers, each defending player chooses any number of creatures they control and divides them into a number of piles equal to the number of attacking creatures for whom that player is the defending player. Creatures those players control that can block additional creatures may likewise be put into additional piles. Assign each pile to a different one of those attacking creatures at random. Each creature in a pile that can block the creature that pile is assigned to does so. (Piles can be empty.)

Whenever Cave People attacks, it gets +1/-2 until end of turn.

{1}{R}{R}, {T}: Target creature gains mountainwalk until end of turn. (It can't be blocked as long as defending player controls a Mountain.)

{2}, {T}: Add one mana of any color.

Clockwork Beast enters the battlefield with seven +1/+0 counters on it.

At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it.

{X}, {T}: Put up to X +1/+0 counters on Clockwork Beast. This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate only during your upkeep.

Coiling Woodworm's power is equal to the number of Forests on the battlefield.

First strike

At the beginning of your upkeep, destroy Cosmic Horror unless you pay {3}{B}{B}{B}. If Cosmic Horror is destroyed this way, it deals 7 damage to you.

{3}, {T}: Target creature you control gets +2/+2 until end of turn. Return it to its owner's hand at the beginning of the next end step. (Return it only if it's on the battlefield.)

Prevent all combat damage that would be dealt to Enchanted Being by enchanted creatures.

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

When Ertai's Familiar phases out or leaves the battlefield, mill three cards.

{U}: Until your next upkeep, Ertai's Familiar can't phase out.

{1}{W}, {T}: Destroy target black creature.

Fire Diamond enters the battlefield tapped.

{T}: Add {R}.

You may put a creature card from your hand onto the battlefield. If you do, sacrifice it unless you pay its mana cost reduced by up to {2}.

Enchant creature

Enchanted creature gets +2/+2.

Put X glyph counters on target creature that target Wall blocked this turn, where X is the power of that blocked creature. The creature gains "This creature doesn't untap during your untap step if it has a glyph counter on it" and "At the beginning of your upkeep, remove a glyph counter from this creature."

Target blocking Wall you control gets +10/+0 until end of combat. Prevent all damage that would be dealt to it this turn. Destroy it at the beginning of the next end step.

Choose target Wall creature. At this turn's next end of combat, destroy all creatures that were blocked by that creature this turn.

Choose target Wall creature. Whenever that creature is dealt damage by an attacking creature this turn, you gain that much life.

Cast this spell only after combat.

Destroy all creatures that were blocked by target Wall this turn. They can't be regenerated. For each creature that died this way, put a creature card from the graveyard of the player who controlled that creature the last time it became blocked by that Wall onto the battlefield under its owner's control.

Enchant land

As long as enchanted land is a basic Mountain, Goblin creatures get +0/+2.

Choose one --

• Target player gains 3 life.

• Prevent the next 3 damage that would be dealt to any target this turn.

{T}, Sacrifice a creature: Return target creature card from your graveyard to the battlefield. Activate only during your upkeep.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Nonwhite creatures get -1/-1 until end of turn.

Icatian Moneychanger enters the battlefield with three credit counters on it.

When Icatian Moneychanger enters the battlefield, it deals 3 damage to you.

At the beginning of your upkeep, put a credit counter on Icatian Moneychanger.

Sacrifice Icatian Moneychanger: You gain 1 life for each credit counter on Icatian Moneychanger. Activate only during your upkeep.

{2}, {T}, Discard the last card you drew this turn: Draw a card.

Other Kobold creatures you control get +0/+1 and have trample.

First strike

Other Kobold creatures you control have first strike.

All Forests are 1/1 creatures that are still lands.

When Mold Demon enters the battlefield, sacrifice it unless you sacrifice two Swamps.

Whenever Murk Dwellers attacks and isn't blocked, it gets +2/+0 until end of combat.

Whenever Necrite attacks and isn't blocked, you may sacrifice it. If you do, destroy target creature defending player controls. It can't be regenerated.

{1}, Exile two creature cards from a single graveyard: Create a 1/1 green Saproling creature token.

{W}{W}, {T}: Destroy target black permanent.

Flying

At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

Cast this spell only before blockers are declared.

Target creature gains first strike until end of turn. If it doesn't have rampage, that creature gains rampage 2 until end of turn. (Whenever the creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)

All damage that would be dealt this turn by target sorcery spell is dealt to that spell's controller instead.

Target blocking creature gets +7/+7 until end of turn.

{5}, {T}, Exile Ring of Ma'rûf: The next time you would draw a card this turn, instead put a card you own from outside the game into your hand.

Vigilance

When Riptide Crab dies, draw a card.

Whenever Serra Inquisitors blocks or becomes blocked by one or more black creatures, Serra Inquisitors gets +2/+0 until end of turn.

{2}, {T}: Target creature with power 2 or less can't be blocked this turn.

At the beginning of your upkeep, put a spore counter on Thallid.

Remove three spore counters from Thallid: Create a 1/1 green Saproling creature token.

At the beginning of your upkeep, put a spore counter on Thorn Thallid.

Remove three spore counters from Thorn Thallid: It deals 1 damage to any target.

Enchant creature

Enchanted creature gets +3/+3.

At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

{T}: Witch Hunter deals 1 damage to target player or planeswalker.

{1}{W}{W}, {T}: Return target creature an opponent controls to its owner's hand.

As Wood Elemental enters the battlefield, sacrifice any number of untapped Forests.

Wood Elemental's power and toughness are each equal to the number of Forests sacrificed as it entered the battlefield.

Look at target opponent's hand and choose a card from it. You control that player until Word of Command finishes resolving. The player plays that card if able. While doing so, the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card. If the chosen card is cast as a spell, you control the player while that spell is resolving.

{G}{G}: Wormwood Treefolk gains forestwalk until end of turn and deals 2 damage to you. (It can't be blocked as long as defending player controls a Forest.)

{B}{B}: Wormwood Treefolk gains swampwalk until end of turn and deals 2 damage to you. (It can't be blocked as long as defending player controls a Swamp.)