Emergent Woodwurm [March of the Machine Commander] Prerelease Vastwood Seer enters the battlefield

Vastwood Seer enters the battlefield

it enters with a +1/+1 counter

You may cast a spell with mana value less than X from among them without paying its mana cost

you may play cards exiled this way

Put those cards back on the top or on the bottom of your deck in any order

Emergent Woodwurm [March of the Machine Commander] Prerelease Vastwood Seer enters the battlefieldSet: March of the Machine Commander Type: Creature Wurm Rarity: Rare Cost: {6}{G} Backup 3 (When this creature enters the battlefield, put three +1 +1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) Whenever this creature attacks, look at the top X cards of your library, where X is its power. You may put a permanent card with mana value X or less from among them onto the battlefield. Put the