Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)
Creatures you control with the chosen name have "At the beginning of combat on your turn, you may pay . If you do, put a +1/+1 counter on this creature."

Counter target noncreature spell.

Reach
: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.)

Reach (This creature can block creatures with flying.)
Whenever Netcaster Spider blocks a creature with flying, Netcaster Spider gets +2/+0 until end of turn.

Draft Noble Banneret face up.
As you draft a creature card, you may reveal it, note its name, then turn Noble Banneret face down.
As long as you control one or more creatures with a name you noted for cards named Noble Banneret, Noble Banneret and those creatures get +1/+1 and have lifelink.

Defender

When Omenspeaker enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

: Add one mana of any color.

Council's dilemma — When Orchard Elemental enters the battlefield, starting with you, each player votes for sprout or harvest. Put two +1/+1 counters on Orchard Elemental for each sprout vote. You gain 3 life for each harvest vote.

Creatures you control get +3/+3 and gain trample until end of turn.

When Palace Jailer enters the battlefield, you become the monarch.
When Palace Jailer enters the battlefield, exile target creature an opponent controls until an opponent becomes the monarch. (That creature returns under its owner's control.)

When Palace Sentinels enters the battlefield, you become the monarch.

Draft Paliano Vanguard face up.
As you draft a creature card, you may reveal it, note its creature types, then turn Paliano Vanguard face down.
Other creatures you control of a type you noted for cards named Paliano Vanguard get +1/+1.

Enchant creature
All damage that would be dealt to you is dealt to enchanted creature instead.

When Pharika's Mender enters the battlefield, you may return target creature or enchantment card from your graveyard to your hand.

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

Flying
You can't lose the game and your opponents can't win the game.

Destroy target creature with flying.

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

When Protector of the Crown enters the battlefield, you become the monarch.
All damage that would be dealt to you is dealt to Protector of the Crown instead.