Indestructible

As long as your devotion to white and black is less than seven, Athreos isn't a creature.

At the beginning of your end step, put a coin counter on another target creature.

Whenever a creature with a coin counter on it dies or is put into exile, return that card to the battlefield under your control.

Creatures your opponents control get -1/-1 until end of turn. (Then exile this card. You may cast the creature later from exile.)

+1: Untap up to one target Elf. That Elf and a random Elf creature card in your hand perpetually get +1/+1.

−1: Seek an Elf card.

−6: Conjure a card named Regal Force onto the battlefield.

Rather than pay for each previous time you've cast this spell from the command zone this game, pay 2 life that many times.

Flying, lifelink

Whenever a player casts a spell, they lose 2 life.

Whenever Shrouded Serpent attacks, defending player may pay . If that player doesn't, Shrouded Serpent can't be blocked this turn.

Flash

When Silver Shroud Costume enters the battlefield, attach it to target creature you control. That creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

Equipped creature can't be blocked.

Equip

: Target creature with flying gets -1/-1 until end of turn.

All lands gain shroud until end of turn. (They can't be the targets of spells or abilities.)

Draw a card.

Cast this spell only if you've cast another spell this turn.

Flying

: Add .

: Add or .

Flying, vigilance

Reach

When Skyshroud Lookout enters the battlefield, seek an Elf card.

: You may put a land card from your hand onto the battlefield. Activate only as a sorcery.

When Skyshroud Sentinel enters the battlefield, you may search your library for up to three cards named Skyshroud Sentinel, reveal them, put them into your hand, then shuffle.

: Add .

Trample

As Skyshroud War Beast enters the battlefield, choose an opponent.

Skyshroud War Beast's power and toughness are each equal to the number of nonbasic lands the chosen player controls.

Equipped creature gets +1/+0.

Whenever equipped creature deals combat damage to a player, that player discards a card.

Equip (: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)