Favored
At the beginning of your end step, put a +1/+1 counter on your Champion.

Once during each of your turns, you may cast a multicolored spell or a spell with {VP} in its mana cost from your graveyard. When you cast a spell this way, it gains “If this card would be put into a graveyard from anywhere, exile it instead.”

As Prodigious Hater enters the battlefield, look at an opponent's hand, then choose a nonland card name.
Whenever an opponent casts a spell with the chosen name, Prodigious Hater deals 3 damage to that player.

Deathtouch
Whenever a creature you control with deathtouch deals combat damage to a player, you may pay 1 life. If you do, draw a card.

As an additional cost to cast spells during an opponent's turn, you may pay {U} and reveal Promethean Jaxl from your hand. If you do, you get a lurk counter.
Flash
Promethean Jaxl enters the battlefield tapped.
When Promethean Jaxl enters the battlefield, you draw a card for each lurk counter you have, then you lose all lurk counters.

This spell costs {1} less to cast for each card in exile you don't own.
Trample
When Proto-Class Behemoth enters, exile up to one target creature.

Tap up to two target nonland permanents. They lose all abilities until your next turn.

Lifelink
Other creatures you control with lifelink get +1/+1.
If another source you control with lifelink dealing damage would cause you to gain life, you gain twice that much life instead.

When Pursuer of Divinity enters, you may search your library for a double-faced card, reveal it, put it into your hand, then shuffle.
Cybersoul {4}{W}{B}

Flying
Whenever you cast a spell that targets a single creature you control, bless that creature.

Each creature you control gets +2/+1 as long as you control two or more other creatures with the same name as it.
{3}{C}, {T}: Create a token that's a copy of target creature you control.

Whenever you attack with exactly two creatures, draw a card. Prevent all damage that would be dealt to creatures you control this turn.

Flying, deathtouch, haste

Menace
Whenever another creature you control with menace attacks, create a token that's a copy of that creature that's tapped and attacking. Exile that token at the beginning of the next end step.

Solidarity
{1}{R}: Choose a creature type. Ragecloak Shifter gets +2/+0 and becomes that type in addition to its other types until end of turn.

When Rallying the Revolutionaries enters the battlefield, draw a card.
Activated abilities of creatures you control cost up to {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Trample, ward {3}
Other Yetis you control get +1/+1.
At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, create a 3/3 green Yeti creature token with trample.

Whenever Recurring Visions enters the battlefield or you cast a spell which had its flashback cost paid, surveil 3.

Menace
Whenever an opponent loses life for the first time each turn, put a +1/+1 counter on Reinstated Reaper. If you're ancient, put two on it instead.

{3}{G}{G}, Exile Release the Unchained Melody from your hand: At the beginning of your next upkeep, you may cast Release the Unchained Melody from exile without paying its mana cost. Activate only as a sorcery.
Create three 3/3 green Elemental Spirit creature tokens.

Relentless Busker can't block.
{VP}{VP}{VP}: Return Relentless Busker from your graveyard to the battlefield.

Other creatures you control get +1/+1 and have vigilance.
Spellcharge 5

Reach
Replicrawler gets +1/+1 for each other artifact creature you control.
If you would create a token, you may pay {B}. If you do, create a token that's a copy of Replicrawler instead.

Target opponent discards their hand, then draws seven cards. You discard your hand, then exile the top seven cards of that player's library. You may play those cards as long as they remain exiled, and mana of any type can be spent to cast them.

Vigilance, menace
When Restless Sylph enters the battlefield, if you're ancient and you cast it, untap all lands you control.