Counter target artifact or enchantment spell.

, Untap a tapped land an opponent controls: Add one mana of any type that land could produce.

Put any number of target creature cards from your graveyard on top of your library.
Draw a card at the beginning of the next turn's upkeep.

Red spells cost more to cast.

: Exile target creature you control.
Sacrifice Cold Storage: Return each creature card exiled with Cold Storage to the battlefield under your control.

, : Put a +1/+1 counter on target creature.

Flare deals 1 damage to any target.
Draw a card at the beginning of the next turn's upkeep.

Enchant creature
As Flickering Ward enters the battlefield, choose a color.
Enchanted creature has protection from the chosen color. This effect doesn't remove Flickering Ward.
: Return Flickering Ward to its owner's hand.

At the beginning of your upkeep, you may sacrifice a Forest. If you sacrifice a snow Forest this way, Gargantuan Gorilla gains trample until end of turn. If you don't sacrifice a Forest, sacrifice Gargantuan Gorilla and it deals 7 damage to you.
: Gargantuan Gorilla deals damage equal to its power to another target creature. That creature deals damage equal to its power to Gargantuan Gorilla.

Defender (This creature can't attack.)

, : Target player mills two cards. If two cards that share a color were milled this way, repeat this process.

When Insidious Bookworms dies, you may pay . If you do, target player discards a card at random.

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Cast this spell only during combat before blockers are declared.
Target creature can't block this turn.
Draw a card at the beginning of the next turn's upkeep.

At the beginning of your upkeep, you may put a verse counter on Recantation.
, Sacrifice Recantation: Return up to X target permanents to their owners' hands, where X is the number of verse counters on Recantation.

You gain 6 life.
Cycling (, Discard this card: Draw a card.)

, : Shauku's Minion deals 2 damage to target white creature.

Counter target spell with converted mana cost X. (For example, if that spell's mana cost is , X is 5.)

Trample
: Urza's Engine gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
: Attacking creatures banded with Urza's Engine gain trample until end of turn.

: Each player mills two cards.