As an additional cost to cast this spell, sacrifice a creature or pay .
Destroy target creature.

This spell costs more to cast for each target beyond the first.
Choose any number of target players. Investigate X times, where X is the total number of creatures those players control.

At the beginning of combat on your turn, you may have Johan gain "Johan can't attack" until end of combat. If you do, attacking doesn't cause creatures you control to tap this combat if Johan is untapped.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Untap target nonlegendary creature and gain control of it until end of turn. That creature gains haste until end of turn.

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

Freerunning (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)
Exile the top two cards of your library. If this spell's freerunning cost was paid, exile the top X cards of your library instead. You may play the exiled cards until the end of your next turn.

Starstorm deals X damage to each creature.
Cycling (, Discard this card: Draw a card.)

Flying
When this creature enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Sacrifice all creatures you control, then create that many 4/4 red Hellion creature tokens.

When this creature enters, target opponent reveals their hand. You choose an instant or sorcery card from it and exile that card.

Other creatures you control have haste.
Whenever one or more face-down creatures you control deal combat damage to a player, draw a card.
Whenever a face-down creature you control dies, return it to the battlefield face down under its owner's control if it's a permanent card, then turn it face up.

Cast this spell only if you've cast another spell this turn.
Flying

When this creature enters, you gain 2 life.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Vigilance (Attacking doesn't cause this creature to tap.)
, : Draw a card. This ability costs less to activate for each +1/+1 counter on creatures you control.

Target creature gets +1/+3 and gains flying until end of turn. Untap it.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever this creature deals combat damage to a player, draw a card.

, Sacrifice a creature: Return target creature card from your graveyard to your hand.
: Put a +1/+1 counter on target creature.

Impeccable Timing deals 3 damage to target attacking or blocking creature.

Flying
Whenever Crosis deals combat damage to a player, you may pay . If you do, choose a color, then that player reveals their hand and discards all cards of that color.