Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-2
2/2
This creature can't be blocked.
LEVEL 3+
3/3
Shroud (This creature can't be the target of spells or abilities.)
This creature can't be blocked.

Trample
Discard a creature card: Put a +1/+1 counter on this creature.
: Regenerate this creature.

, : Add .

Trample
This creature enters with two +1/+1 counters on it.
If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature.
: Put a +1/+1 counter on this creature.

Enchant player
Whenever a player attacks enchanted player with one or more creatures, that attacking player may tap or untap target permanent of their choice.

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, choose one —
• Untap target permanent you control.
• Tap target permanent an opponent controls.

Flying
When Derevi enters and whenever a creature you control deals combat damage to a player, you may tap or untap target permanent.
: Put Derevi onto the battlefield from the command zone.

As long as this artifact is untapped, if a creature would deal combat damage to you, prevent 1 of that damage.
, : Attacking creatures get +1/+0 until end of turn.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Destroy target artifact or enchantment.

Sacrifice another creature: This creature gets +2/+2 until end of turn.

Destroy target creature or enchantment.

Trample
This creature enters with X +1/+1 counters on it.
When this creature dies, you gain life and draw cards equal to its power.

Draw a card for each tapped creature target opponent controls.

Enchant creature
Enchanted creature gets +2/+2, has vigilance, and can't attack you or planeswalkers you control.

When this creature enters, you may return target card from your graveyard to your hand.

Enchant permanent
Enchanted permanent is a colorless Forest land.

Other Elves you control get +1/+1.
, : Create a 1/1 green Elf Warrior creature token.

: Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.

Destroy target artifact or creature. It can't be regenerated.

: Add or .
: This artifact becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

Whenever a player casts a green spell, put a +1/+1 counter on this creature.

: Add one mana of any color in your commander's color identity.
Sacrifice this artifact: Draw a card.

You may activate abilities of creatures you control as though those creatures had haste.
, : Untap target creature.

Enchant creature
Enchanted creature gets +2/+2, has intimidate, and can't attack you or planeswalkers you control. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

This artifact doesn't untap during your untap step.
: Add .
: Untap this artifact.

Flash (You may cast this spell any time you could cast an instant.)
Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Other Elf creatures you control get +1/+1.
: Add for each Elf you control.

Changeling (This card is every creature type.)
: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Flash
Flying
When this creature enters, return a creature you control to its owner's hand.
When this creature enters, exile target card from a graveyard.

Flying
When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Flying
: This creature deals 1 damage to any target.

When this creature enters, you may destroy target artifact or enchantment.

Enchant player
Whenever a creature attacks enchanted player, put a +1/+1 counter on it.

Flash (You may cast this spell any time you could cast an instant.)
, Sacrifice this artifact: It deals 2 damage to each attacking creature without flying.

: Regenerate another target Elf.
: Elf creatures you control get +3/+3 and gain trample until end of turn.

When this creature enters, if you control two or more Plains, you may create a 1/1 white Kithkin Soldier creature token.
When this creature enters, if you control two or more Swamps, you may put a -1/-1 counter on target creature.