Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Whenever this creature attacks, for each opponent, tap up to one target creature that player controls.

Enchant creature
Enchanted creature gets +1/+1 and has protection from creatures.

Landfall — Whenever a land you control enters, this creature gets +2/+2 until end of turn.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for .)

Lifelink, protection from white and from black
As long as you have 30 or more life and an opponent has 10 or less life, this creature gets +6/+6 and has flying.

Sacrifice this creature: Destroy target enchantment.

(Nonexistent mana costs can't be paid.)
Draw a card.
Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Double strike (This creature deals both first-strike and regular combat damage.)
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Wither (This deals damage to creatures in the form of -1/-1 counters.)
When this creature dies, put a -1/-1 counter on each creature with a -1/-1 counter on it.

Enchant creature
Enchanted creature gets +2/+5.
Cycling (, Discard this card: Draw a card.)

Whenever this creature becomes the target of a spell, this creature deals 2 damage to that spell's controller.

Enchant creature
Enchanted creature has "Whenever this creature deals combat damage to a player, you may draw a card."

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
This creature can't block.

Morph—Discard a Zombie card. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

This creature enters with X +1/+1 counters on it.
When this creature dies, you may distribute a number of +1/+1 counters equal to the number of +1/+1 counters on this creature among any number of creatures you control.

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

Flying
My Will Be Done — Whenever Szarekh attacks, mill three cards. You may put an artifact creature card or Vehicle card from among the cards milled this way into your hand.

Exchange control of two target permanents that share a permanent type.

This land enters tapped.
: Add .
: Put a +1/+1 counter on each green creature that entered this turn.

Choose two —
• Prismari Command deals 2 damage to any target.
• Target player draws two cards, then discards two cards.
• Target player creates a Treasure token.
• Destroy target artifact.