mtg.wtf

As long as every card in your card pool started the game in your library or in the command zone, lands you control have "{T}: Add one mana of any color."

Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer.
Equip {5}

Worn Powerstone enters the battlefield tapped.
{T}: Add {C}{C}.

At the beginning of each player's upkeep, that player mills a card.

Emerge {5}{U}
When you cast this spell, draw a card.
Flying

{TK}{TK} — {1}: Target creature can't block this creature this turn.
{TK}{TK}{TK}{TK} — Morbid — At the beginning of each end step, if a creature died this turn and this permanent is a creature, put a -1/-1 counter on this permanent and draw a card.
{TK}{TK} — 2/4
{TK}{TK}{TK} — 7/2

Whenever a player casts a green spell, you may gain 1 life.

Deathtouch, lifelink
When Wurmcoil Engine dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink.

Xander's Lounge enters the battlefield tapped.
Cycling {3}

Sacrifice a permanent: Regenerate target creature.

{5}: Until end of turn, Xanthic Statue becomes an 8/8 Golem artifact creature with trample.

Xenagos Ascended gains trample until end of turn and attacks this turn if able.

Xenagos's Strike deals 4 damage to each player.

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

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

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

{TK}{TK} — When this permanent leaves the battlefield, target player discards a card.
{TK}{TK}{TK}{TK}{TK} — When this permanent leaves the battlefield, create five 1/1 white Clown Robot artifact creature tokens.
{TK}{TK} — 3/3
{TK}{TK}{TK}{TK} — 6/5

Whenever Yotian Frontliner attacks, another target creature you control gets +1/+1 until end of turn.
Unearth {W}

Vigilance

When you set this scheme in motion, reveal the top three cards of your library. Put all land cards revealed this way onto the battlefield and the rest into your hand.

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.

When you set this scheme in motion, draw four cards. You have no maximum hand size until your next turn.

When you set this scheme in motion, gain control of target creature an opponent controls until end of turn. Untap that creature. It gets +3/+3 and gains trample and haste until end of turn.

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.

{T}: Add {B}, {G}, or {U}.
Cycling {2}