Core Set 2020

Loxodon Lifechanter | Creature | Elephant Cleric | When Loxodon Lifechanter enters the battlefield, you may have your life total become the total toughness of creatures you control. {5}{W}: Loxodon Lifechanter gets +X/+X until end of turn, where X is your life total. | Nicholas Gregory

Angelic Guardian | Creature | Angel | Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever one or more creatures you control attack, they gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.) | Sara Winters

Atemsis, All-Seeing | Legendary Creature | Sphinx | Flying {2}{U}, {T}: Draw two cards, then discard a card. Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game. | Ryan Pancoast

Gargos, Vicious Watcher | Legendary Creature | Hydra | Vigilance Hydra spells you cast cost {4} less to cast. Whenever a creature you control becomes the target of a spell, Gargos, Vicious Watcher fights up to one target creature you don't control. | Mathias Kollros

Wakeroot Elemental | Creature | Elemental | {G}{G}{G}{G}{G}: Untap target land you control. It becomes a 5/5 Elemental creature with haste. It's still a land. (This effect lasts as long as that land remains on the battlefield.) | Filip Burburan