Desertwalk (This creature can't be blocked as long as defending player controls a Desert.) You may play Desert lands from your graveyard. Whenever a Desert you control enters, create two 1/1 red, green, and white Sand Warrior creature tokens.

Legendary creatures you control get +X/+X, where X is the number of legendary creatures you control. Whenever you cast a legendary spell from your hand, exile cards from the top of your library until you exile a legendary nonland card with lesser mana value. You may cast that card without paying its mana cost. Put the rest on the bottom of your library in a random order.

When Perrie enters, put a shield counter on target creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Whenever Perrie attacks, target creature you control gains trample and gets +X/+X until end of turn, where X is the number of different kinds of counters among permanents you control.

{1}, {T}: Draw two cards, then discard a card. Create a 1/1 colorless Pilot creature token with "This token crews Vehicles as though its power were 2 greater." Crew 8 (Tap any number of creatures you control with total power 8 or more: This Vehicle becomes an artifact creature until end of turn.) Shorikai, Genesis Engine can be your commander.

Flying If you would proliferate, proliferate twice instead. {1}{U/P}{U/P}, Remove three counters from among other artifacts, creatures, and planeswalkers you control: Put an indestructible counter on Tekuthal. ({U/P} can be paid with either {U} or 2 life.)

({B/P} can be paid with either {B} or 2 life.) Lifelink For each {B} in a cost, you may pay 2 life rather than pay that mana. Whenever you cast a black spell, put a +1/+1 counter on K'rrik.

Arixmethes enters tapped with five slumber counters on it. As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.) Whenever you cast a spell, you may remove a slumber counter from Arixmethes. {T}: Add {G}{U}.

Alliance — Whenever another creature you control enters, choose one that hasn't been chosen this turn — • Add {G}{G}{G}. • Put a +1/+1 counter on each creature you control. • Scry 2, then draw a card.

Creature spells you cast with power 4 or greater cost {2} less to cast. Whenever Goreclaw attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.

At the beginning of combat on your turn, each Merfolk creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the exploring creature, then put the card back or put it into your graveyard.) Whenever Hakbal attacks, you may put a land card from your hand onto the battlefield. If you don't, draw a card.

Each creature that's enchanted by an Aura you control can't attack you or planeswalkers you control. At the beginning of your end step, each opponent loses X life and you gain X life, where X is the number of Auras you control.

Flying, vigilance Each other Angel you control enters with an additional +1/+1 counter on it for each Angel you already control. {T}: Add {W}. Spend this mana only to cast an Angel spell.

Whenever a player attacks one or more of your opponents, that attacking player creates a Treasure token. If you would create one or more Treasure tokens, instead create those tokens plus an additional Treasure token. Sacrifice five Treasures: Put five +1/+1 counters on Jolene.

You don't lose unspent green mana as steps and phases end. Omnath gets +1/+1 for each unspent green mana you have.

Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature of their choice. Whenever you sacrifice a green creature, you may gain 2 life.