Counter target spell unless its controller pays .

Enchant land
Enchanted land has ": Counter target spell if it would destroy a land you control."

Target creature gets +0/+X until end of turn, where X is its mana value.

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.

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

Counter target instant or Aura spell that targets a permanent you control.

Tap all creatures blocking target attacking creature. Prevent all combat damage that would be dealt this turn by that creature and each creature blocking it.

Enchant creature
Enchanted creature has vigilance.

Enchant creature
Enchanted creature gets +2/-2.

This creature attacks each combat if able.
At the beginning of your upkeep, put a +1/+1 counter on this creature. Then you may pay , where X is the number of +1/+1 counters on it. If you don't, tap this creature and it deals X damage to you.

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 creature you control
When this Aura enters, tap enchanted creature and put three pupa counters on this Aura.
Enchanted creature doesn't untap during your untap step if this Aura has a pupa counter on it.
At the beginning of your upkeep, remove a pupa counter from this Aura. If you can't, sacrifice it, put a +1/+1 counter on enchanted creature, and that creature gains flying.

Choose one —
• Destroy target blue permanent.
• Return target Island to its owner's hand.

Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)

Psychic Purge deals 1 damage to any target.
When a spell or ability an opponent controls causes you to discard this card, that player loses 5 life.

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay . If the player does, they may copy this spell and may choose a new target for that copy.

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

Return to your hand all enchantments you both own and control, all Auras you own attached to permanents you control, and all Auras you own attached to attacking creatures your opponents control. Then destroy all other enchantments you control, all other Auras attached to permanents you control, and all other Auras attached to attacking creatures your opponents control.

Attach target Aura attached to a creature or land to another permanent of that type.

At the beginning of each player's upkeep, this enchantment deals X damage to that player, where X is 4 minus the number of cards in their hand.

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

If this creature would be destroyed, regenerate it.
: This creature can't be regenerated this turn. Only your opponents may activate this ability.

Prevent all damage that would be dealt to target creature this turn.

One or more target creatures become black until end of turn.

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."

One or more target creatures become green until end of turn.

Prevent all combat damage that would be dealt this turn.

Tap X target creatures. Winter Blast deals 2 damage to each of those creatures with flying.

Other Kobold creatures you control get +1/+0.

Cast this spell only during an opponent's turn after their upkeep step.
Untap all lands you control.

Flying, vigilance

Enchant creature
When this Aura enters, tap enchanted creature and put X sleep counters on it.
Enchanted creature doesn't untap during its controller's untap step if it has a sleep counter on it.
At the beginning of the upkeep of enchanted creature's controller, remove a sleep counter from that creature.

Defender (This creature can't attack.)
At the beginning of your upkeep, change this creature's base toughness to 1 plus the number of creature cards in your graveyard. (This effect lasts indefinitely.)

Choose a player who cast one or more sorcery spells this turn. Backdraft deals damage to that player equal to half the damage dealt by one of those sorcery spells this turn, rounded down.

: The next time a black or red source of your choice would deal damage to you this turn, prevent that damage.

Counter target creature spell.