Converge — Crystalline Crawler enters the battlefield 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. {T}: Put a +1/+1 counter on Crystalline Crawler.

This spell costs {1} less to cast for each creature you control with a +1/+1 counter on it. Creature spells you cast cost {1} less to cast for each creature you control with a +1/+1 counter on it.

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Whenever a creature dies, that creature's controller may draw a card.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.) Each other creature you control enters the battlefield with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on Bloodspore Thrinax.

Flying {2}{U}: Until end of turn, target noncreature artifact you control becomes an artifact creature and gains flying. If it's not a Vehicle, it has base power and toughness 1/1 until end of turn. At the beginning of your upkeep, put a +1/+1 counter on each of up to three target noncreature artifacts.

{T}: Target permanent becomes an artifact in addition to its other types until end of turn.

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

Outlast {W} ({W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each creature you control with a +1/+1 counter on it has lifelink.

Outlast {W} ({W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each creature you control with a +1/+1 counter on it has flying.

Outlast {1}{W} ({1}{W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each creature you control with a +1/+1 counter on it has first strike.

When Duskshell Crawler enters the battlefield, put a +1/+1 counter on target creature. Each creature you control with a +1/+1 counter on it has trample.

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.) If Gnarlid Colony was kicked, it enters the battlefield with two +1/+1 counters on it. Each creature you control with a +1/+1 counter on it has trample.

Hagra Constrictor enters the battlefield with two +1/+1 counters on it. Each creature you control with a +1/+1 counter on it has menace. (A creature with menace can't be blocked except by two or more creatures.)

Each creature you control with a +1/+1 counter on it has "{T}: Add one mana of any color." −1: Put a +1/+1 counter on target creature.

Outlast {B} ({B}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each creature you control with a +1/+1 counter on it has deathtouch.

When Rishkar, Peema Renegade enters the battlefield, put a +1/+1 counter on each of up to two target creatures. Each creature you control with a counter on it has "{T}: Add {G}."

Defender {T}: Creatures you control gain haste until end of turn.

Devoid (This card has no color.) Flying At the beginning of your upkeep, sacrifice a creature. Whenever you sacrifice a creature, draw a card.

Trample Whenever another artifact enters the battlefield, put a +1/+1 counter on Arcbound Crusher. Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Haste Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

{T}, Remove X +1/+1 counters from Arcbound Javelineer: It deals X damage to target attacking or blocking creature. Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Lifelink Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

First strike When Arcbound Shikari enters the battlefield, put a +1/+1 counter on each other artifact creature you control. Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Modular 4 (This creature enters the battlefield with four +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.) Riot (This creature enters the battlefield with your choice of an additional +1/+1 counter or haste.)

Whenever Arcbound Slith deals combat damage to a player, put a +1/+1 counter on it. Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Flying Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Menace Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.) Whenever you cast a spell other than your first spell each turn, put a +1/+1 counter on Arcbound Tracker.

Flying {R}: Arcbound Whelp gets +1/+0 until end of turn. Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager. Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

{T}: Put a charge counter on target artifact. Sacrifice Coretapper: Put two charge counters on target artifact.

Whenever Dragonspark Reactor or another artifact enters the battlefield under your control, put a charge counter on Dragonspark Reactor. {4}, Sacrifice Dragonspark Reactor: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature.

When Goblin Engineer enters the battlefield, you may search your library for an artifact card, put it into your graveyard, then shuffle. {R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.

{T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.

Sacrifice an artifact: Regenerate Rusted Slasher.

{T}, Sacrifice an artifact with mana value X: Return target artifact card with mana value less than X from your graveyard to the battlefield. It gains haste until end of turn.

Sacrifice a creature: Put a charge counter on Spawning Pit. {1}, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifact creature token.

Sacrifice an artifact: Thermal Navigator gains flying until end of turn.

{T}, Sacrifice an artifact: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)