mtg whenever an opponent draws a card Trade Secrets - Onslaught #118 (English) At the beginning of your upkeep Underworld Dreams - Magic card

In short: being able to keep Auras, Equipment, and counters on a creature, while simultaneously being able to dodge -X/-X, bounce, and exile wraths

The other terrifying thing about Morph, Space Goo, from an opponents perspective, is that it doesnt telegraph what character youre about to Shift to

Other abilities that interact with life gain or life loss will interact with this effect accordingly

Creatures, artifacts, enchantments, graveyards

As if that weren't enough, it also gives your enchantment spells the miracle ability, allowing you to cast them for a discount when you topdeck them

Cast a spell, untap creatures/artifacts that tap to make mana