Waves of Aggression [Eventide] 128 but there is something amiss

but there is something amiss in this tiny hamlet

Set: World Championship Decks 2000 Type: Artifact — Rarity: Rare Cost: {2} Each spell costs {3} more to cast except during its controller's turn

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Commander Type: Creature — Hydra Rarity: Rare Cost: {X}{X}{G}{G} As Neverwinter Hydra enters the battlefield

you may pay {2} and exile it from your hand face down

Master of Time on any player's turn any time you could cast an instant

Waves of Aggression [Eventide] 128 but there is something amissSet: Eventide Type: Sorcery Rarity: Rare Cost: {3}{R W}{R W} Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)