Players love to draw cards, thus they will love to attack the cursed player it makes their decision much easier
What I will say in support of these new lands is that they make bounce lands such as the karoo lands from Ravnica block way more playable
Instant Color tag templates(None) Pump (CTRL to add secondary) Cultivate Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle
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The sacrifice ability occasionally came in handy, guarding against mass removal even though it was never the primary motivating factor, and it was hard for decks running him to justify keeping the necessary mana untapped until very late in the game
Planechase feels like a perfect match for the multiverse-spanning Phryexian invasion in March of the Machine