Whenever an opponent casts their first noncreature spell each turn, you recruit. (Draw a card, then discard a card. If you discarded a nonland card, create a 1/1 white Human Soldier creature token.)

Landfall — Whenever a land you control enters, add one mana of any color. Then if this is the second time this ability has resolved this turn, reveal cards from the top of your library until you reveal an Elf or Elemental card. Put that card into your hand and the rest on the bottom of your library in a random order.

Flying
When this creature enters, search your library for a card, put it into your hand, then shuffle.

Cleric spells you cast cost less to cast. This effect reduces only the amount of colored mana you pay. (For example, if you cast a Cleric spell with mana cost , it costs to cast.)

Players can't activate planeswalkers' loyalty abilities.
At the beginning of your draw step, draw an additional card.
Spells you cast cost less to cast.
Creatures you control get +1/+1.

: Add two mana in any combination of , , and/or .
, : Draw two cards, then discard a card.

Flying
At the beginning of combat on your turn, populate. (Create a token that's a copy of a creature token you control.)
Whenever a creature token you control enters, put a +1/+1 counter on this creature.

Vigilance
Other creatures you control get +2/+2.
Creatures your opponents control get -2/-2.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

, Pay 1 life, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Whenever a creature enters, if it entered from your graveyard or you cast it from your graveyard, return this card from your graveyard to the battlefield tapped at the beginning of the next end step.

Other Merfolk creatures you control get +1/+1.
Whenever you cast a Merfolk spell, you may tap or untap target permanent.

Flying, trample
Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

Whenever a creature you control attacks, you may put a quest counter on this enchantment.
As long as this enchantment has seven or more quest counters on it, creatures you control get +5/+5.

Haste
When this creature enters, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

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

Whenever Hammer of Nazahn or another Equipment you control enters, you may attach that Equipment to target creature you control.
Equipped creature gets +2/+0 and has indestructible.
Equip

Reach
Modified creatures you control have trample. (Equipment, Auras you control, and counters are modifications.)
Whenever a modified creature you control deals combat damage to a player, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Flying, menace
Whenever this creature attacks, each player gets two rad counters.
Whenever one or more nonland cards are milled, you may create that many 2/2 black Zombie Mutant creature tokens. Do this only once each turn.