Flying
Pay 2 life: Return Selenia to its owner's hand.

, Discard a card at random: This creature deals 2 damage to any target.

Cast this spell only during your end step.
As an additional cost to cast this spell, pay X life.
Draw X cards.

, Sacrifice a Forest: This creature deals 2 damage to target player or planeswalker.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

This creature enters with five +1/+1 counters on it.
At the beginning of your upkeep, you may remove a +1/+1 counter from this creature. If you don't, sacrifice this creature and it deals damage equal to the number of +1/+1 counters on it to each creature without flying and each player.

Destroy all creatures target player controls. For each creature that died this way, that player creates two 1/1 red Goblin creature tokens.

As this artifact enters, choose a color and a creature type.
, : Create a 2/2 creature token of the chosen color and type.

Whenever a creature is dealt damage, destroy it. It can't be regenerated.

This creature enters with four +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: It deals 1 damage to target creature.

Flying
This creature can't attack unless you sacrifice a land. (This cost is paid as attackers are declared.)

Skip your draw step.
Whenever you play a card, draw a card.
Your maximum hand size is two.

Flying
Discard a card: Return this creature to its owner's hand.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
When Commander Greven il-Vec enters, sacrifice a creature.

This creature enters with six +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from this creature: Regenerate this creature.

Flame Wave deals 4 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

At the beginning of each upkeep, create a 1/1 green Saproling creature token.