Green legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

, : Target creature gains vigilance until end of turn. Activate this ability only during combat and only if defending player controls a snow land.

, : Target snow land is no longer snow.
, : Target nonsnow basic land becomes snow.

Legendary creatures don't untap during their controllers' untap steps.
When Arena of the Ancients enters the battlefield, tap all legendary creatures.

If Balduvian Trading Post would enter the battlefield, sacrifice an untapped Mountain instead. If you do, put Balduvian Trading Post onto the battlefield. If you don't, put it into its owner's graveyard.
: Add .
, : Balduvian Trading Post deals 1 damage to target attacking creature.

: Target creature doesn't untap during its controller's next untap step.

Nonbasic lands are Mountains.

Bloodrock Cyclops attacks each combat if able.

Destroy all Islands.

Remove Bronze Tablet from your deck before playing if you're not playing for ante.
Bronze Tablet enters the battlefield tapped.
, : Exile Bronze Tablet and target nontoken permanent an opponent owns. That player may pay 10 life. If they do, put Bronze Tablet into its owner's graveyard. Otherwise, that player owns Bronze Tablet and you own the other exiled card.

: Add .
: Add or . Brushland deals 1 damage to you.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Return target permanent to its owner's hand.

When Chittering Rats enters the battlefield, target opponent puts a card from their hand on top of their library.

Whenever City of Brass becomes tapped, it deals 1 damage to you.
: Add one mana of any color.

, Exile a creature you control: Put a storage counter on City of Shadows.
: Add for each storage counter on City of Shadows.

As long as Corrupted Key is tapped, creatures you control have menace and deathtouch.

: Target blocking creature gets +0/+1 until end of turn.

, : Draw two cards, then discard a card.

As Energy Vortex enters the battlefield, choose an opponent.
At the beginning of your upkeep, remove all vortex counters from Energy Vortex.
At the beginning of the chosen player's upkeep, Energy Vortex deals 3 damage to that player unless they pay for each vortex counter on Energy Vortex.
: Put X vortex counters on Energy Vortex. Activate this ability only during your upkeep.

Choose one —
• Destroy target red permanent.
• Return target Mountain to its owner's hand.