: Target creature gets +1/+0 until end of turn.

Whenever Goblin Medics becomes tapped, it deals 1 damage to any target.

: 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.

Enchant creature
Enchanted creature gets +1/+0 for each Mountain you control.

Grim Monolith doesn't untap during your untap step.
: Add .
: Untap Grim Monolith.

Put all enchantments on top of their owners' libraries.

When an opponent casts an instant spell, if Hidden Gibbons is an enchantment, Hidden Gibbons becomes a 4/4 Ape creature.

Untap two target creatures. Each of them gets +1/+1 until end of turn.

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.

Counter target spell that targets a creature.

At the beginning of each opponent's upkeep, Iron Maiden deals X damage to that player, where X is the number of cards in their hand minus 4.

Target creature gets +0/+4 until end of turn.
Cycling (, Discard this card: Draw a card.)

: Regenerate target artifact creature.

Flying, protection from black
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Karmic Guide enters the battlefield, return target creature card from your graveyard to the battlefield.

, : Put target green creature on top of its owner's library.

Creatures you control have first strike.

Sacrifice any number of creatures. Last-Ditch Effort deals that much damage to any target.

Lava Axe deals 5 damage to target player or planeswalker.

Creatures you control have flying.