Flash
Enchant creature
When this Aura enters, tap enchanted creature and remove it from combat.
As long as enchanted creature isn't legendary, it doesn't untap during its controller's untap step.

Put two +1/+1 counters on up to one target creature you control. Tap up to one target creature an opponent controls and put a stun counter on it.

The next time you would lose the game this turn, instead draw seven cards and your life total becomes 1.
Exile Stunning Reversal.

, : This creature deals 1 damage to target creature. Tap that creature.

Target creature can't block this turn.
Draw a card.

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Indestructible
As this creature enters, choose a player.
Whenever this creature is dealt damage, it deals that much damage to the chosen player.
: This creature deals 1 damage to itself.

: This artifact becomes a 4/4 green Bear artifact creature until end of turn.

Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on it. You gain life equal to the number of +1/+1 counters on that creature.

: Add .
, : Add one mana of any color. When you spend this mana to cast your commander, scry X, where X is the number of times it's been cast from the command zone this game.

Tap up to two target creatures.
Learn.

This land enters tapped.
: Add or .
, : Investigate.

This creature enters prepared.

Level up

Whenever you cast a noncreature spell, you gain 2 life.

When this creature has flying, flip it.

Flash
Enchant artifact or creature
When this Aura enters, tap enchanted permanent.
Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.

Counter target noncreature spell unless its controller pays .
Ferocious — If you control a creature with power 4 or greater, counter that spell instead.

Whenever this creature becomes saddled for the first time each turn, mill two cards, then this creature gets +X/+X until end of turn, where X is the number of creature cards in your graveyard.
Saddle 2

When this creature enters, exile target creature card with mana value 2 or less from your graveyard. If it has augment, combine it with a host you control. Otherwise, put it onto the battlefield.

Struggle deals damage to target creature equal to the number of lands you control.

Aftermath
Each player shuffles their graveyard into their library.

Put a +1/+1 counter on target creature you control. Then that creature fights up to one target creature you don't control.
Foretell

Target opponent reveals their hand. That player exiles a card from it, then you exile a card from it. Repeat this process until all cards in that hand have been exiled. That player returns the cards they exiled this way to their hand and puts the rest into their graveyard.

As this enchantment enters, choose Brotherhood or Enclave.
• Brotherhood — At the beginning of your upkeep, each opponent draws a card. You draw a card for each card drawn this way.
• Enclave — Whenever a player attacks you with one or more creatures, that player gets twice that many rad counters.

Exile target artifact or land. Structural Distortion deals 2 damage to that permanent's controller.

Target player sacrifices an artifact and a land of their choice. Structural Collapse deals 2 damage to that player.

Destroy all artifacts, then Structural Assault deals damage to each creature equal to the number of artifacts that were put into graveyards from the battlefield this turn.