Creatures you control get +1/+2 until end of turn. Untap those creatures.
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.)

, , Sacrifice Gremlin Mine: It deals 4 damage to target artifact creature.
, , Sacrifice Gremlin Mine: Remove up to four charge counters from target noncreature artifact.

Enchant creature
Enchanted creature has intimidate. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-4
0/6
LEVEL 5+
6/6
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

When Happily Ever After enters the battlefield, each player gains 5 life and draws a card.
At the beginning of your upkeep, if there are five colors among permanents you control, there are six or more card types among permanents you control and/or cards in your graveyard, and your life total is greater than or equal to your starting life total, you win the game.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
As long as Honored Hierarch is renowned, it has vigilance and ": Add one mana of any color."

When Hooded Assassin enters the battlefield, choose one —
• Put a +1/+1 counter on Hooded Assassin.
• Destroy target creature that was dealt damage this turn.

Hornet Sting deals 1 damage to any target.

Creatures with power less than Howling Chorus's power can't block it.
Whenever Howling Chorus deals combat damage to a player, create a 3/2 colorless Eldrazi Horror creature token.

: Add one mana of any color. Spend this mana only to cast a creature spell.

Any number of target players each gain 6 life.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Ichor Rats enters the battlefield, each player gets a poison counter.

Flying, lifelink

Count the number of cards in your library. Your life total becomes that number.

Untap each creature you control with a +1/+1 counter on it during each other player's untap step.

Whenever you cast your second spell each turn, draw a card.

: Return Jungle Creeper from your graveyard to your hand.

Create two 2/2 white Knight creature tokens with vigilance.

: Knight of the Skyward Eye gets +3/+3 until end of turn. Activate this ability only once each turn.

Enchant creature
When Knightly Valor enters the battlefield, create a 2/2 white Knight creature token with vigilance. (Attacking doesn't cause it to tap.)
Enchanted creature gets +2/+2 and has vigilance.