mtg.wtf

Yorvo, Lord of Garenbrig enters with four +1/+1 counters on it.
Whenever another green creature you control enters, put a +1/+1 counter on Yorvo. Then if that creature's power is greater than Yorvo's power, put another +1/+1 counter on Yorvo.

Flying
When Yosei, the Morning Star dies, target player skips their next untap step. Tap up to five target permanents that player controls.

Whenever another legendary permanent you control enters, put a +1/+1 counter on Yoshimaru, Ever Faithful.
Partner

Flying
Whenever Yotian Courier attacks, choose one that wasn't chosen during your last combat —
• Create a tapped Powerstone token.
• Seek a nonland card with mana value equal to the number of Powerstones you control.

If your life total is greater than 10, it becomes 10. For the rest of the game, your maximum life total is 10. You get an emblem with "Pay 2 life: Add one mana of any color" and "At the beginning of your upkeep, you draw a card and you lose 1 life."

Choose target creature you own and control. That creature becomes your commander. Any other commanders you have are no longer your commander. (That creature starts with a commander tax of {0}.)

{T}: Choose target playtest card. Increase or decrease a number of your choice on it by one for as long as it remains on the stack or battlefield.
{W}{U}{B}{R}{G}: Reveal the top 8 cards of your library. Put each playtest card among them into your hand, and the rest on the bottom of your library in a random order.

Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.

As the game begins, if Your Favorite Character is your commander, or as Your Favorite Character enters the battlefield if it's not your commander, name a character from the Magic storyline. Choose up to three colors, two creature types, and then two keywords from among vigilance, flying, haste, trample, and menace. Your Favorite Character has the chosen name, types, colors, and keywords.

At the beginning of your end step, put a doom counter on this scheme, then this scheme deals damage equal to the number of doom counters on it to the opponent with the highest life total among your opponents. If two or more players are tied for highest life total, you choose one.

You may cast an instant or sorcery spell from your sideboard. If you cast a modal spell this way, you may choose an additional mode. (A modal spell lets you choose one or more modes from a bulleted list.)

Create X 1/1 white Soldier creature tokens.

Horsemanship
Each creature you control can't be blocked by more than one creature.

Yuan-Ti Malison can't be blocked as long as it's attacking alone.
Whenever Yuan-Ti Malison deals combat damage to a player, venture into the dungeon.

Permanents you control gain hexproof and indestructible until end of turn.
Seek a creature card if an opponent has cast a spell with mana value 3 or less this turn.

When Yukora, the Prisoner leaves the battlefield, sacrifice all non-Ogre creatures you control.

At the beginning of your upkeep, destroy another nonland permanent chosen at random, then put a number of +1/+1 counters on Yule Ooze equal to that permanent's converted mana cost.
{R}{G}, Eat some food: Regenerate Yule Ooze.

This spell costs {1} less to cast for each land card in your graveyard.
Whenever Yuma, Proud Protector enters or attacks, you may sacrifice a land. If you do, draw a card.
Whenever a Desert card is put into your graveyard from anywhere, create a 4/2 green Plant Warrior creature token with reach.

Commander ninjutsu {U}{B}
Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.

Vigilance
A player losing unspent mana causes that player to lose that much life.
{1}, {T}: Each player adds {B}{R}{G}.

Flying
Whenever Yusri, Fortune's Flame attacks, choose a number between 1 and 5. Flip that many coins. For each flip you win, draw a card. For each flip you lose, Yusri deals 2 damage to you. If you won five flips this way, you may cast spells from your hand this turn without paying their mana costs.

Modular 1
If a modular triggered ability would put one or more +1/+1 counters on a creature you control, that many plus one +1/+1 counters are put on it instead.
{R}: Destroy target artifact you control.
{W}: Zabaz, the Glimmerwasp gains flying until end of turn.

Vigilance, reach, trample
When Zacama, Primal Calamity enters, if you cast it, untap all lands you control.
{2}{R}: Zacama deals 3 damage to target creature.
{2}{G}: Destroy target artifact or enchantment.
{2}{W}: You gain 3 life.

Whenever you cast an instant or sorcery spell that targets only Zada, Hedron Grinder, copy that spell for each other creature you control that the spell could target. Each copy targets a different one of those creatures.

Magecraft — Whenever you cast or copy an instant or sorcery spell, scry 1. If that spell's mana value is 5 or greater, create a 4/4 blue and red Elemental creature token. If that spell's mana value is 10 or greater, Zaffai, Thunder Conductor deals 10 damage to an opponent chosen at random.