mtg.wtf

All creatures get -3/-3 until end of turn.
You may cast a spell with mana value 3 or less from your hand without paying its mana cost.

Haste
Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.
Sacrifice another creature: Yahenni gains indestructible until end of turn.

Flying
When Yanling's Harbinger enters, you may search your library and/or graveyard for a card named Mu Yanling, Celestial Wind, reveal it, and put it into your hand. If you search your library this way, shuffle.

Target creature defending player controls gets +3/+0 until end of turn. That creature can block up to two additional creatures this turn.

Other creatures you control have haste.
Whenever one or more face-down creatures you control deal combat damage to a player, draw a card.
Whenever a face-down creature you control dies, return it to the battlefield face down under its owner's control if it's a permanent card, then turn it face up.

When Yasharn enters, search your library for a basic Forest card and a basic Plains card, reveal those cards, put them into your hand, then shuffle.
Players can't pay life or sacrifice nonland permanents to cast spells or activate abilities.

{T}: Exile the top card of your library. Until your next end step, you may play it.
Doctor's companion

Trample
At the beginning of combat on your turn, you may pay {1}{U/R}{U/R}. If you do, gain control of target creature an opponent controls with power less than Yasova Dragonclaw's power until end of turn, untap that creature, and it gains haste until end of turn.

Trample, haste
Cumulative upkeep {G}{G}

{T}: Add {C}.
{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.

{T}: Add {C}.
{G}, {T}: Regenerate target creature.

Enchant creature
You control enchanted creature.
Enchanted creature gets +2/+2 and has trample.

Each land is a Forest in addition to its other land types.

Flying
First strike
At the beginning of your upkeep, you may sacrifice an artifact. If you don't, tap Yawgmoth Demon and it deals 2 damage to you.

You can't cast more than one spell each turn.
You may play lands and cast spells from your graveyard.
If a card would be put into your graveyard from anywhere, exile it instead.

Skip your draw step.
Pay 1 life: Draw a card.

{T}, Pay 2 life: Add {B}{B}.
You may cast spells from your graveyard. Only mana produced by abilities that caused you to lose life may be spent to cast spells this way. (Damage causes loss of life.)
If a card would be put into your graveyard from anywhere, exile it instead.

Until end of turn, you may play face-up cards you own from exile.
If a card would be put into your graveyard or exile from anywhere this turn, put it on the bottom of your library instead.

Put up to one target creature or planeswalker card from a graveyard onto the battlefield under your control. Destroy up to one target creature or planeswalker. Exile Yawgmoth's Vile Offering.

Until end of turn, you may play lands and cast spells from your graveyard.
If a card would be put into your graveyard from anywhere this turn, exile that card instead.

Whenever Ydwen Efreet blocks, flip a coin. If you lose the flip, remove Ydwen Efreet from combat and it can't block this turn. Creatures it was blocking that had become blocked by only Ydwen Efreet this combat become unblocked.

Whenever another nontoken creature you control dies, you may return it to the battlefield face down under its owner's control. It's a Forest land.

Horsemanship
Yellow Scarves General can't block.