mtg.wtf

As long as Archelos, Lagoon Mystic is tapped, other permanents enter tapped.
As long as Archelos is untapped, other permanents enter untapped.

Lifelink
When Archfiend's Vessel enters, if it entered from your graveyard or you cast it from your graveyard, exile it. If you do, create a 5/5 black Demon creature token with flying.

Mutate {5}{U}
Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step.

Landfall — Whenever a land you control enters, you get {E}.
Pay eight {E}: Create a 6/6 colorless Beast artifact creature token.

Flying
Ward {2}
When Archive Dragon enters, scry 2.

When your commander deals combat damage to a player, if there is no monarch, you become the monarch.
At the beginning of the monarch's end step, that player draws a card.

Flash
Whenever an opponent searches their library, you gain 1 life and draw a card.

Whenever Archmage's Newt deals combat damage to a player, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. That card gains flashback {0} until end of turn instead if Archmage's Newt is saddled.
Saddle 3

Flying
Each player can't cast more than one spell each turn.
Nonbasic lands your opponents control enter tapped.

Flying
Lifelink
Pegasus creatures you control have lifelink.
Constellation — Whenever an enchantment you control enters, create a 2/2 white Pegasus creature token with flying.

Flying, vigilance, trample
As Archon of Valor's Reach enters, choose artifact, enchantment, instant, sorcery, or planeswalker.
Players can't cast spells of the chosen type.

Flying
Other creatures you control that are enchanted by Auras you control have base power and toughness 4/4 and have flying.

Flying, haste
At the beginning of the end step, return Archwing Dragon to its owner's hand.

Trample
Cumulative upkeep {G} or {W}
When Arctic Nishoba dies, you gain 2 life for each age counter on it.

Cumulative upkeep {2}
When Arctic Wolves enters, draw a card.

Reach, lifelink
Outlast {G/W}
Each other creature you control without a +1/+1 counter on it has outlast {G/W}.

Vigilance

Metalcraft — Ardent Recruit gets +2/+2 as long as you control three or more artifacts.

Kicker {2}
Vigilance
If Ardent Soldier was kicked, it enters with a +1/+1 counter on it.

Flying

Starting intensity 0
Whenever another creature enters under your control, cards you own named Arek, False Goldwarden intensify by 1.
{3}{W}{B}, {T}, Sacrifice Arek, False Goldwarden: Target opponent loses X life and you gain X life, where X is Arek's intensity.

First strike, protection from multicolored
At the beginning of your upkeep, sacrifice Argentum Masticore unless you discard a card. When you discard a card this way, destroy target nonland permanent an opponent controls with mana value less than or equal to the mana value of the discarded card.

Argothian Sprite can't be blocked by artifact creatures.
{7}: Put two +1/+1 counters on Argothian Sprite.

Prevent all damage that would be dealt to Argothian Treefolk by artifact sources.

Arisen Gorgon has deathtouch as long as you control a Liliana planeswalker.