Converge — Crystalline Crawler enters with a +1/+1 counter on it for each color of mana spent to cast it.Remove a +1/+1 counter from Crystalline Crawler: Add one mana of any color.: Put a +1/+1 counter on Crystalline Crawler.
Changeling (This card is every creature type.)Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.
: Add ., , Exile Underdark Rift: Roll a d10. Put target artifact, creature, or planeswalker into its owner's library just beneath the top X cards of that library, where X is the result. Activate only as a sorcery.
Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value. (Equipment that's a creature can't equip a creature.)
Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)Whenever Broodbirth Viper deals combat damage to a player, you may draw a card.
Flash (You may cast this spell any time you could cast an instant.)When this enchantment enters, exile target creature an opponent controls until this enchantment leaves the battlefield.
