Whenever another nontoken creature you control enters, investigate.
, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.

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 .

: This creature gets +1/+0 until end of turn.

Create a 1/1 white Bird creature token with flying, then populate. (Create a token that's a copy of a creature token you control.)

Creatures you control have haste.
Legendary creatures you control get +1/+0.

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

Switch target creature's power and toughness until end of turn.
Draw a card.

(: Add .)

If an opponent has more life than you, you gain 4 life.
If an opponent controls more creatures than you, create two 1/1 white Human creature tokens.
If an opponent has more cards in hand than you, draw a card.

Create two 1/1 red Goblin creature tokens.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Creatures without flying can't block this turn.

Vigilance
When this creature enters, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Searing Flesh deals 7 damage to target opponent or planeswalker.

Cycling (, Discard this card: Draw a card.)
When you cycle this card, you may search your library for a basic land card, reveal that card, put it into your hand, then shuffle. (Do this before you draw.)

Enchant creature
You control enchanted creature.

Target creature gets +3/+0 and gains haste until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

This land enters tapped.
: Add or .

Prototype — 2/5 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
Whenever this creature attacks, target attacking creature gets +X/+0 until end of turn, where X is this creature's power.

Sacrifice this enchantment: Return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

Menace