Haste
Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature, then scry 1.

Draw two cards. Then you may discard a nonland card. When you do, Hypothesizzle deals 4 damage to target creature.

Target creature gets +2/+2 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

As this land enters, you may reveal a Forest or Plains card from your hand. If you don't, this land enters tapped.
: Add or .

Choose two —
• Target creature gets +3/+3 and gains flying until end of turn.
• Return target creature card with mana value 2 or less from your graveyard to the battlefield.
• Target player draws a card and loses 1 life.
• Target opponent sacrifices a creature of their choice.

When this creature enters, destroy target land.

Destroy each nonland permanent with mana value 2 or less. Add or for each permanent destroyed this way.

Parley — : Each player reveals the top card of their library. For each nonland card revealed this way, add and you gain 1 life. Then each player draws a card. (Activate only as an instant.)

: Add , , or .
Cycling (, Discard this card: Draw a card.)

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Exile target creature an opponent controls with mana value 2 or less and all other creatures that player controls with the same name as that creature. Then that player reveals their hand and exiles all cards with that name from their hand and graveyard.

Enchant creature
Enchanted creature gets +1/+3 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy it.)

Draw two cards.

Return all permanents to their owners' hands.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.)
Afterlife 1 (When this permanent is put into a graveyard from the battlefield, create a 1/1 white and black Spirit creature token with flying.)
Enchanted creature gets +1/+1 and has afterlife 1.

Defender (This creature can't attack.)

When this creature enters, you gain 3 life.

Trample, haste
Whenever Leatherhead attacks, put two +1/+1 counters on each creature you control.

When this creature enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

This land enters tapped unless you control a Forest or an Island.
: Add or .