The Lancastrians were losing the war badly enough that they needed to summon you, so they really aren't in much of a position to gather the Rose Cards and send you back to your time
If flipped, it wipes off every monster, then forces players to excavate cards until they get as many monsters as were shuffled in each Main Deck
Example[edit] Player 1 activates "Raigeki" (Chain Link 1) Player 2 activates "Magic Jammer" in response to "Raigeki" by discarding 1 card (Chain Link 2) Player 1 activates "Seven Tools of the Bandit" in response to "Magic Jammer" by paying 1000 LP (Chain Link 3) The Chain is resolved in reverse activation order, starting with the last card that was activated
yugioh-card.com/en Dragons of Legend yugioh-card.com/uk Dragons of Legend yugioh-card.com/oc Dragons of Legend yugioh-card.com/fr Les Dragons de Lgende (French) yugioh-card.com/de Dragons of Legend (German) yugioh-card.com/it Draghi della Leggenda (Italian) yugioh-card.com/lat-am/pt Drages das Lendas (Portuguese) yugioh-card.com/es Dragones de Leyenda (Spanish) yugioh-card.com/lat-am Dragons of Legend (Spanish)
The two boss monsters of Therions are Machine and Plant, for example, while Drytons are a blend of Machine and Fairy-type monsters working in harmony
So, if your opponent Tribute Summoned a powerful monster, you could destroy it, then Special Summon it for free on your side of the field in addition to your Normal Summon for the turn