Which of these fictional playing cards would you put in a deck first?

Forever Knight SS

Unit - Knight - Rare

SS: Forever Knight becomes Invincible until end of turn.

2/2

Energy Drain MM

Disrupt - Lost - Rare

Disrupt target Deployment.

Create two Energy Gems with "Forfeit this Gem: Add one Energy of any type to your Bank."

Spark B

Fast Effect - Lost - Uncommon

Spark deals 2 damage to target Unit or Player.

Draw a card.

Command S

Fast Effect - Lost - Rare

Turn target Unit face-down. (A face-down Unit becomes 1/1 and loses all abilities.)

Draw a card.

Greater Command 3SS

Effect - Lost - Uncommon

Turn all enemy Units face-down. (A face-down Unit becomes 1/1 and loses all abilities.)

Great Serpent 3UU

Unit - Serpent - Rare

When Great Serpent enters the Battlefield, Reset up to five Energy Sources.

When Great Serpent leaves the Battlefield, shuffle it into your Deck.

4/4

Flare Star XB

Fast Effect - Lost - Rare

You may pay X life instead of paying Flare Star's Deploy Cost.

Flare Star deals X damage to a Unit of your choice. Flare Star has no target.

Forever Knight
Energy Drain
Spark
Command
Greater Command
Great Serpent
Flare Star
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4 mo
I've been scheming a way to publish a TCG for several years now. I just don't know about the legality of the situation. I don't want to be too similar to Magic: The Gathering, but none of my cards are "rip-offs" of any of theirs. I want my mechanics to be as unique as possible.
Which of these fictional playing cards would you put in a deck first?
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