mtg.wtf

Exile all permanents. For as long as any of those cards remain exiled, at the beginning of each player's upkeep, that player returns one of the exiled cards they own to the battlefield.

Choose a player who cast one or more sorcery spells this turn. Backdraft deals damage to that player equal to half the damage dealt by one of those sorcery spells this turn, rounded down.

Flying, first strike

Enchant land you control
Tap enchanted land: Target blocking creature gets +1/+2 until end of turn. Activate this ability only if enchanted land is untapped.

If Soldevi Excavations would enter the battlefield, sacrifice an untapped Island instead. If you do, put Soldevi Excavations onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {C}{U}.
{1}, {T}: Scry 1.

Skip your draw step.
At the beginning of your end step, if it's not the first turn of the game, put a death counter on Necropotence Avatar. You draw X cards and you lose X life, where X is the number of death counters on Necropotence Avatar.

Rusted Sentinel enters the battlefield tapped.

{G/U}: Groundling Pouncer gets +1/+3 and gains flying until end of turn. Activate this ability only once each turn and only if an opponent controls a creature with flying.

{T}: Counter target spell unless its controller pays {1}.
Morph {U}

Defender
When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

At the beginning of your upkeep, sacrifice Whipstitched Zombie unless you pay {B}.

Protection from non-Spirit creatures
Soulshift 4

Enchant land
Enchanted land has shroud.
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

{1}{G}, Sacrifice Font of Fertility: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Leech Bonder enters the battlefield with two -1/-1 counters on it.
{U}, {Q}: Move a counter from target creature onto a second target creature.

Discard a land card: Simian Brawler gets +1/+1 until end of turn.

When Chittering Rats enters the battlefield, target opponent puts a card from their hand on top of their library.

When Mairsil, the Pretender enters the battlefield, you may exile an artifact or creature card from your hand or graveyard and put a cage counter on it.
Mairsil, the Pretender has all activated abilities of all cards you own in exile with cage counters on them. You may activate each of those abilities only once each turn.

[+2]: Sorin Markov deals 2 damage to any target and you gain 2 life.
[-3]: Target opponent's life total becomes 10.
[-7]: You control target player during that player's next turn.

Target opponent reveals their hand. You choose a nonlegendary, nonland card from it. That player discards that card.

Sulfurous Blast deals 2 damage to each creature and each player. If you cast this spell during your main phase, Sulfurous Blast deals 3 damage to each creature and each player instead.

Each opponent loses 3 life. You gain life equal to the life lost this way.

Devour 1
When Caldera Hellion enters the battlefield, it deals 3 damage to each creature.

When Indrik Stomphowler enters the battlefield, destroy target artifact or enchantment.

{1}: Carrion Ants gets +1/+1 until end of turn.