Choose a source you control and flip a coin. If you win the flip, the next time that source would deal damage this turn, it deals double that damage instead. If you lose the flip, the next time it would deal damage this turn, prevent that damage.
Choose a card name other than a basic land card name. Reveal the top seven cards of your library and put all of them with that name into your hand. Exile the rest.
Strive — This spell costs {R}{W} more to cast for each target beyond the first. Any number of target creatures each get +2/+0 and gain first strike and vigilance until end of turn.
At the Akroan gates, hoplites revived the tactics of Kytheon Iora's infamous irregulars.
Destroy target land. Its controller reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.
Everyone knew the Dimir had done the damage. Everyone suspected the Izzet had hired them.
{T}: Add {C}. {1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.
When Detective's Satchel enters the battlefield, investigate twice. {T}: Create a 1/1 colorless Thopter artifact creature token with flying. Activate only if you've sacrificed an artifact this turn.
When Detention Sphere enters the battlefield, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent. When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control.