Nettle Sentinel doesn't untap during your untap step.
Whenever you cast a green spell, you may untap Nettle Sentinel.

Search target player's library for up to X cards, where X is the number of Swamps you control, and exile them. Then that player shuffles their library.

Whenever you cast a spell that's both white and black, Nightsky Mimic has base power and toughness 4/4 until end of turn and gains flying until end of turn.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Flying
Attacking creatures you control get +2/+0.

Noggle Bandit can't be blocked except by creatures with defender.

When Noggle Bridgebreaker enters the battlefield, return a land you control to its owner's hand.

When Noggle Hedge-Mage enters the battlefield, if you control two or more Islands, you may tap two target permanents.
When Noggle Hedge-Mage enters the battlefield, if you control two or more Mountains, you may have Noggle Hedge-Mage deal 2 damage to target player or planeswalker.

When Noggle Ransacker enters the battlefield, each player draws two cards, then discards a card at random.

Noxious Hatchling enters the battlefield with four -1/-1 counters on it.
Wither (This deals damage to creatures in the form of -1/-1 counters.)
Whenever you cast a black spell, remove a -1/-1 counter from Noxious Hatchling.
Whenever you cast a green spell, remove a -1/-1 counter from Noxious Hatchling.

When Nucklavee enters the battlefield, you may return target red sorcery card from your graveyard to your hand.
When Nucklavee enters the battlefield, you may return target blue instant card from your graveyard to your hand.

: Regenerate Odious Trow.

Target player draws a card.
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Chroma — When Outrage Shaman enters the battlefield, it deals damage to target creature equal to the number of red mana symbols in the mana costs of permanents you control.

Overbeing of Myth's power and toughness are each equal to the number of cards in your hand.
At the beginning of your draw step, draw an additional card.

, : Create a 1/1 white Kithkin Soldier creature token. ( is the untap symbol.)

Chroma — Reveal any number of cards in your hand. You gain 2 life for each green mana symbol in those cards' mana costs.

Trample
Chroma — Primalcrux's power and toughness are each equal to the number of green mana symbols in the mana costs of permanents you control.

Wither (This deals damage to creatures in the form of -1/-1 counters.)
Puncture Blast deals 3 damage to any target.

Each player returns each creature card from their graveyard to the battlefield with an additional -1/-1 counter on it.