Destroy all creatures with flying.

Champion an Elf (When this creature enters, sacrifice it unless you exile another Elf you control. When this creature leaves the battlefield, that card returns to the battlefield.)
: Create a 2/2 green Wolf creature token.
Wolves you control have deathtouch.

Flying
When this creature enters, exile target player's graveyard.

As long as equipped creature is tapped, tapped creatures you control get +2/+0.
As long as equipped creature is untapped, untapped creatures you control get +0/+2.
: You may tap or untap equipped creature.
Equip

Devour 1 (As this creature enters, you may sacrifice any number of creatures. It enters with that many +1/+1 counters on it.)
Each other creature you control enters with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on this creature.

Your opponents can't search libraries.
If an opponent would begin an extra turn, that player skips that turn instead.

Exile target creature and all other creatures with the same name as that creature.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

: Put a +1/+1 counter on target creature for each Elf you control.

Cast this spell only before attackers are declared.
You choose which creatures attack this turn.
You choose which creatures block this turn and how those creatures block.

: Target creature gains flying until end of turn.
, : Destroy target creature with flying.

Reach
: This creature deals X damage to each creature with flying.

Flying
Players can't cast spells during combat.
: Target creature attacks this turn if able.

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Flying
Sacrifice a creature: This creature gets +2/+1 until end of turn.

Whenever this creature attacks, create a 2/2 green Wolf creature token that's tapped and attacking for each creature card in your graveyard.

Flying
Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on this creature.

Flying, protection from black
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, return target creature card from your graveyard to the battlefield.

Other green creatures you control get +1/+1.
Other blue creatures you control get +1/+1.
Untap all green and/or blue creatures you control during each other player's untap step.

Choose three. You may choose the same mode more than once.
• Target player draws a card and loses 1 life.
• Target creature gets -2/-2 until end of turn.
• Return target creature card from your graveyard to your hand.

Devour 2 (As this creature enters, you may sacrifice any number of creatures. It enters with twice that many +1/+1 counters on it.)
At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on this creature.

You may choose not to untap Rubinia Soulsinger during your untap step.
: Gain control of target creature for as long as you control Rubinia Soulsinger and Rubinia Soulsinger remains tapped.

, Sacrifice this creature: Target creature gets -4/-4 until end of turn.
Sacrifice a creature: Target creature gets -1/-1 until end of turn.

Trample
: Until end of turn, target creature you control has base power and toughness 5/5 and gains trample.

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Tap an untapped Wizard you control: Draw a card.

Draw a card for each creature you control.

Whenever you cast a creature spell, you may draw a card.

Whenever this creature attacks, creatures you control gain trample and get +X/+X until end of turn, where X is the greatest power among creatures you control.

Flash
Reach
When this creature enters, it deals 2 damage to each creature with flying and each player.
Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Flying, trample
Join forces — Whenever this creature attacks or blocks, each player starting with you may pay any amount of mana. This creature gets +X/+0 until end of turn, where X is the total amount of mana paid this way.

Flying
Whenever another creature leaves the battlefield, you may have target player mill two cards.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When this creature enters, destroy all artifacts and enchantments. Put a +1/+1 counter on this creature for each permanent destroyed this way.

Destroy all creatures. They can't be regenerated.
Threshold — If there are seven or more cards in your graveyard, instead destroy all creatures, then create two 1/1 white Spirit creature tokens with flying. Creatures destroyed this way can't be regenerated.

When this creature enters, each player chooses a creature type and returns any number of cards of that type from their graveyard to their hand.

Trample
Lieutenant — As long as you control your commander, this creature gets +2/+2 and other creatures you control get +2/+2 and have trample.

Flying
: Exchange control of two target nonlegendary creatures. You can't activate this ability during combat.