When The Notary Hobbits enter, if they're not a token, create two tokens that are copies of them, except the tokens aren't legendary.
: Add for each Halfling you control.

Lifelink
, Exile this card from your graveyard: Incubate 2. Activate only as a sorcery. (Create an Incubator token with two +1/+1 counters on it and ": Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)

Lightning Helix deals 3 damage to any target and you gain 3 life.

Counter target spell.
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Return a creature you control to its owner's hand, then destroy all creatures.

When this Vehicle enters, add four mana of any one color. Spend this mana only to activate abilities.
Exhaust — : This Vehicle deals X damage to any target. Put a +1/+1 counter on this Vehicle. (Activate each exhaust ability only once.)
Crew 2

Create two 1/1 red Goblin creature tokens.

(: Add .)

Enchant creature
Enchanted creature loses all abilities and has base power and toughness 1/1.

Counter target spell. Return target permanent to its owner's hand.

(: Add .)

Flying
Whenever you cast an instant or sorcery spell, create a 1/1 blue Human Wizard creature token. Then if you control three or more Wizards, transform this creature.

When you set this scheme in motion, the next time you would set a scheme in motion, set three schemes in motion instead.

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.)
Return target creature card from your graveyard to the battlefield. Then if the gift was promised and that creature isn't legendary, create a token that's a copy of that creature, except it's 1/1.

, : You may tap or untap target artifact, creature, or land.

This spell costs less to cast if there is a land card in your graveyard.
When this creature enters, you may have it deal 2 damage to target creature.

This land enters tapped unless you control a planeswalker.
: Add or .

As an additional cost to cast this spell, sacrifice an artifact or creature with mana value X.
Nahiri's Sacrifice deals X damage divided as you choose among any number of target creatures.

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever a +1/+1 counter is put on this creature, you may draw a card.