When this land enters, sacrifice it. If you do, search your library for a basic Forest or Island card, put it onto the battlefield tapped, then shuffle.
{1}{G}{G}{U}{U}, Discard this card: Create two tapped tokens that are copies of target land.

When this land enters, sacrifice it. If you do, search your library for a basic Forest or Plains card, put it onto the battlefield tapped, then shuffle.
{1}{G}{G}{W}{W}, Discard this card: Create three tapped 1/1 white Citizen creature tokens.

You gain X life, then look at the top X cards of your library, where X is the greatest mana value among permanents you control. Reveal up to two creature, enchantment, and/or land cards from among them and put them into your hand. Put the rest on the bottom in a random order.

Whenever this creature attacks or blocks, it gets +X/+X until end of turn, where X is the greatest mana value among other permanents you control.

Creatures you control get +2/+0 until end of turn.
If a nontoken creature you control would die this turn, cache it instead.

Fabric — When this creature enters, target creature gets +X/+X until end of turn, where X is the number of enchantments you control.

Flying
Exalted

You may cast permanent spells as though they had flash.
During your second main phase, pay {Q} rather than {T} to activate abilities.

Time loop
I, II — Look at the top six cards of your library. Put up to one nonland permanent card with mana value 3 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.
III — Creatures you control gain double strike until end of turn.

When this creature enters, reveal the top ten cards of your library. For each nonland, non-Golem permanent card revealed this way, you may sacrifice a permanent that shares a card type with it. If you do, put that permanent card onto the battlefield under your control. Put the rest on the bottom of your library in a random order.

Ninjutsu {2}{G}
This creature enters with three +1/+1 counters on it.
Whenever another creature you control enters, you may move a +1/+1 counter from this creature onto that creature.

Flying
When this creature enters, you may pay {3}{U}. If you do, create two 1/1 blue Bird creature tokens with flying.
Other creatures you control with flying get +1/+1.

Flying
When this creature enters, for each player, choose up to one other target nonland permanent that player controls. That player caches that permanent.

Level up {1}{B}
[level 1-2] When this creature dies, put its counters on another target creature you control with level up.
[level 3+] When this creature dies, put its counters on each creature you control with level up.

Flash
If a player would search a library for one or more cards, they reveal those cards, and can't find nonbasic cards.

This land enters tapped unless you control one or fewer other lands.
{T}: Add {U} or {R}.
Cycling {2}

This spell costs {X} less to cast, where X is the greatest mana value among permanents you control.
Trample, haste

When this land enters, surveil 1.
{T}: Add {C}.
Basic landcycling {2}

Tap up to two target creatures. Put a stun counter on one of them.

Trample
Whenever you cast a noncreature spell, put a +1/+1 counter on this Vehicle.
Crew 1

Choose one —
• Each opponent sacrifices a creature that's one or fewer colors.
• Each opponent sacrifices a creature that's two or more colors.

Return target artifact card from your graveyard to your hand.

Put target creature card from a graveyard onto the battlefield under your control.
Cycling {1}{B}
When you cycle this card, target player mills three cards.

Choose any number of permanent cards in your graveyard put there from the battlefield this turn. Return one of them to the battlefield and the rest to your hand.
Cycling {W/B}

Sacrifice any number of permanents. Ruinous Portents deals X damage to each creature your opponents control and you draw X cards, where X is the number of permanents sacrificed this way.