If this card is in your GY, except the turn it was sent there, and you control a Synchro Monster with "Warrior", "Synchron", or "Stardust" in its original name: You can Special Summon this card, but banish it when it leaves the field
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More dual lands (or other color splashes) are always a consideration too, but you must always be mindful of having enough basic lands in your deck no matter what color combinations you choose, in order to fully leverage Land Tax
(1) Gain control of the equipped monster
Lusamine is VS Seeker except better, but at the cost of being a Supporter rather than an item
There were lots of good answers to individual threats no matter how large, and most decks were sitting on several when it came time to finish them