Any continuous effects with a "for as long as" duration, such as that of Possession Engine (a card from the Aetherdrift release), ignore phased-out objects
My guess is that Amulet of Safekeeping is R&Ds attempt to try and answer the question of how to ensure that Modern players can sideboard against multiple strategies at once so that your progression though a large Modern tournament is less matchup dependent
A lot of control decks simply look like things that delay the game as long as possible to land a big Revelation
Aethergeode Miner having one toughness and no evasion means it'll most often use the energy it produces to blink, which makes it a useless card
Derevi, Empyrial Tactician Rarity: Mythic Rare TYPE: Legendary Creature SUBTYPE: Bird Wizard CMC: 3 Mana cost: USD: $8.37 EUR: 9.13 TIX: 7.78 EDHREC RANK: 2844 (2/3) Flying When Derevi enters and whenever a creature you control deals combat damage to a player, you may tap or untap target permanent
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