Vigilance
Hydra spells you cast cost less to cast.
Whenever a creature you control becomes the target of a spell, Gargos fights up to one target creature you don't control.

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

At the beginning of your upkeep, you may return this card from your graveyard to your hand.

: Search your library for an enchantment card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.
: Search your library for an instant card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

When this creature dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens.
Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

This creature has infect as long as an opponent is poisoned. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Changeling (This card is every creature type.)
Whenever an opponent casts a spell, you may put a +1/+1 counter on this creature.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)
Flying, ward
Warp Blast — When this creature enters, it deals X damage to any target.

This land enters tapped unless you control a basic land.
: Add .
, : Draw a card, then discard a card.

When this creature enters, target opponent discards a card.
Whenever one or more players discard one or more cards, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

Aura spells you cast cost less to cast.
Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature.

Flying
When this card is put into your graveyard from your library, you may put it onto the battlefield.

Mirkwood Pathmaker's power and toughness are each equal to the number of lands you control.

When this creature enters, create two 1/1 red Goblin creature tokens.
Sacrifice a Goblin: Target player loses 1 life and you gain 1 life.

Underdark Beholder enters the battlefield with ten eyestalk counters on it.
If Underdark Beholder would be dealt damage, remove that many eyestalk counters from it instead. If you can't, sacrifice it.
Whenever Underdark Beholder attacks, reveal cards from the top of your library until you reveal an instant, sorcery, or enchantment card with converted mana cost less than the number of eyestalk counters on Underdark Beholder. You may cast it without paying its mana cost. Shuffle your library.

Flying
This creature can't block.

At the beginning of your upkeep, put a time counter on this enchantment.
Once each turn, you may pay rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on this enchantment.

, Sacrifice a creature: Put two +1/+1 counters on target creature.
, Remove a counter from a creature you control: Create a Treasure token.
, Sacrifice an artifact: Create a 2/1 white and black Inkling creature token with flying.
: Untap Fain.

Double strike (This creature deals both first-strike and regular combat damage.)
Vigilance (Attacking doesn't cause this creature to tap.)
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)