: Add .
: Add or . Activate only if this land entered this turn or if you control a basic land.

Sneak (You may cast this spell for if you also return an unblocked attacker you control to hand during the declare blockers step. He enters tapped and attacking.)
Whenever Donatello deals combat damage to a player, create a token that's a copy of target artifact you control.

Search your library for a card, put that card into your hand, then shuffle.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)
This land enters tapped.
: Add .
, : You may play the exiled card without paying its mana cost if each player has no cards in hand.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

: Add . Activate only if you control five or more lands.

Soldier spells you cast cost less to cast.
Soldier creatures you control get +1/+2.

Counter target creature spell with power or toughness 2 or less.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
Destroy target artifact.

Enchant creature
Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

Sacrifice a snow Mountain: Prevent all combat damage that would be dealt this turn.

This spell can't be countered.
Counter all spells your opponents control and all abilities your opponents control. Create a 1/1 blue and black Faerie creature token with flying for each spell and ability countered this way.

At the beginning of your upkeep, surveil 1. Then if you have seven or more cards in your graveyard, you may transform Search for Azcanta. (Look at the top card of your library. You may put that card into your graveyard.)

Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard.
: Draw a card, then discard a card. When you discard a card this way, target player mills cards equal to its mana value.

Flying
Whenever Gwaihir attacks, target attacking creature gains flying until end of turn.
At the beginning of each end step, if you gained 3 or more life this turn, create a 3/3 white Bird creature token with flying and "Whenever this token attacks, target attacking creature gains flying until end of turn."

Whenever one or more artifact creatures you control deal combat damage to a player, you get (an energy counter).
Pay : Create a tapped 3/3 colorless Robot artifact creature token.

This creature has flying as long as you control a Dragon.
When a Dragon enters, you may return this card from your graveyard to the battlefield.

Whenever another creature you control dies, you get an experience counter.
At the beginning of your end step, choose target creature card in your graveyard. If that card's mana value is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.

Counter target noncreature spell.

When this creature enters, for each opponent, exile up to one target nonland permanent that player controls until this creature leaves the battlefield.
: Put target card with mana value X exiled with this creature into its owner's graveyard. You gain X life.