When Barbed Spike enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying, then attach Barbed Spike to it.

Equipped creature gets +1/+0.

Equip

Lava Spike deals 3 damage to target player or planeswalker.

Equipped creature has deathtouch.

Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up.

Equip

When Rampaging Spiketail enters the battlefield, target creature you control gets +2/+0 and gains indestructible until end of turn.

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Destroy target land. Add .

You may exile two black cards from your hand rather than pay this spell's mana cost.

Soul Spike deals 4 damage to any target and you gain 4 life.

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 Drone enters the battlefield with a +1/+1 counter on it.

, Remove a +1/+1 counter from Spike Drone: Put a +1/+1 counter on target creature.

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 Tiller enters the battlefield with three +1/+1 counters on it.

, Remove a +1/+1 counter from Spike Tiller: Put a +1/+1 counter on target creature.

, Remove a +1/+1 counter from Spike Tiller: Target land becomes a 2/2 creature that's still a land. Put a +1/+1 counter on it.

Spike Worker enters the battlefield with two +1/+1 counters on it.

, Remove a +1/+1 counter from Spike Worker: Put a +1/+1 counter on target creature.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Equipped creature gets +3/+3.

Whenever equipped creature attacks, you may sacrifice a Forest. If you do, that creature gains trample until end of turn.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Spikefield Hazard deals 1 damage to any target. If a permanent dealt damage this way would die this turn, exile it instead.

, : Spikeshot Goblin deals damage equal to its power to any target.

Flying

Sacrifice Spiketail Drakeling: Counter target spell unless its controller pays .

Spike-Tailed Ceratops can block an additional creature each combat.

Changeling (This card is every creature type.)

: War-Spike Changeling gains first strike until end of turn.