Turn it face up any time for its mana cost if its a creature card.) Enchanted creature has flying and lifelink
Generally speaking, sticking to the minimum deck size is the way to go
Anzrag, the Quake-Mole Bast, Panther Goddess Bhaal, Lord of Murder Esika, God of the Tree God-Eternal Rhonas Havi, the All-Father Inga and Esika Jorn, God of Winter Karametra, God of Harvests Klothys, God of Destiny Kolvori, God of Kinship Kruphix, God of Horizons Myrkul, Lord of Bones Nylea, God of the Hunt Nylea, Keen-Eyed Ojer Kaslem, Deepest Growth Pharika, God of Affliction Rhonas the Indomitable Sab-Sunen, Luxa Embodied Tiamat Tom Bombadil Xenagos, God of Revels
Show each other your booster pack card dex and trade for cards that each of you want
The specific card in question is signed and graded as a PSA 7
Obviously, it requires an opponent to be at exactly 10 life, if they go down to 9 or gain just 1 to 11, it can't be played