Spike Cannibal enters the battlefield with a +1/+1 counter on it.
When Spike Cannibal enters the battlefield, move all +1/+1 counters from all creatures onto it.

Spike Hatcher enters the battlefield with six +1/+1 counters on it.
, Remove a +1/+1 counter from Spike Hatcher: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from Spike Hatcher: Regenerate Spike Hatcher.

Spike Rogue enters the battlefield with two +1/+1 counters on it.
, Remove a +1/+1 counter from Spike Rogue: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from a creature you control: Put a +1/+1 counter on Spike Rogue.

Spike Weaver enters the battlefield with three +1/+1 counters on it.
, Remove a +1/+1 counter from Spike Weaver: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from Spike Weaver: Prevent all combat damage that would be dealt this turn.

Vigilance

, Discard a creature card: Search your library for a creature card, reveal that card, and put it into your hand. Then shuffle your library.

Discard a card: Thalakos Drifters gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Shadow (This creature can block or be blocked by only creatures with shadow.)
Discard a card: Return Thalakos Scout to its owner's hand.

Draw a card for each tapped creature target opponent controls.

Flying
Thopter Squadron enters the battlefield with three +1/+1 counters on it.
, Remove a +1/+1 counter from Thopter Squadron: Create a 1/1 colorless Thopter artifact creature token with flying. Activate this ability only any time you could cast a sorcery.
, Sacrifice another Thopter: Put a +1/+1 counter on Thopter Squadron. Activate this ability only any time you could cast a sorcery.

, Sacrifice Thrull Surgeon: Look at target player's hand and choose a card from it. That player discards that card. Activate this ability only any time you could cast a sorcery.

, : Transmogrifying Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay to end this effect.
Enchanted creature gets +1/+1 and is an artifact in addition to its other types.

When Treasure Hunter enters the battlefield, you may return target artifact card from your graveyard to your hand.

: Draw a card.

Discard a creature card: Vampire Hounds gets +2/+2 until end of turn.

Pay 5 life: Destroy Volrath's Dungeon. Any player may activate this ability but only during their turn.
Discard a card: Target player puts a card from their hand on top of their library. Activate this ability only any time you could cast a sorcery.

Defender (This creature can't attack.)
At end of combat, exile all creatures blocked by Wall of Nets.
When Wall of Nets leaves the battlefield, return all cards exiled with Wall of Nets to the battlefield under their owners' control.

Flying
: Put Wayward Soul on top of its owner's library.

Flying
When Welkin Hawk dies, you may search your library for a card named Welkin Hawk, reveal that card, put it into your hand, then shuffle your library.

: Whiptongue Frog gains flying until end of turn.