Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Flash

This spell costs less to cast for each instant and sorcery card in your graveyard.

Eddymurk Crab enters tapped if it's not your turn.

When Eddymurk Crab enters, tap up to two target creatures.

Whenever Murk Dwellers attacks and isn't blocked, it gets +2/+0 until end of combat.

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.

: Add .

Impending 5— (If you cast this spell for its impending cost, it enters with five time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.)

Whenever Overlord of the Balemurk enters or attacks, mill four cards, then you may return a non-Avatar creature card or a planeswalker card from your graveyard to your hand.