Alpha Authority

Enchant creature
Enchanted creature has hexproof and can't be blocked by more than one creature.

Kiora, Behemoth Beckoner

Whenever a creature you control with power 4 or greater enters, draw a card.
−1: Untap target permanent.

Moss Diamond

Moss Diamond enters tapped.
{T}: Add {G}.

Whispersilk Cloak

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}

Scute Swarm

Landfall — Whenever a land you control enters, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of Scute Swarm instead.

Don't Have

Darksteel Plate

Indestructible
Equipped creature has indestructible.
Equip {2}

Worldly Tutor

Search your library for a creature card, reveal it, then shuffle and put the card on top.

Dinosaurs on a Spaceship

Vigilance, trample
Other Dinosaurs you control get +1/+1 and have vigilance and trample.
Suspend 4—{3}{R}{W}
Whenever a time counter is removed from Dinosaurs on a Spaceship while it's exiled, create a 2/2 red and white Dinosaur creature token with flying and haste.

Huatli, Dinosaur Knight

+2: Put two +1/+1 counters on up to one target Dinosaur you control.
−3: Target Dinosaur you control deals damage equal to its power to target creature you don't control.
−7: Dinosaurs you control get +4/+4 until end of turn.

Spirit Mantle

Enchant creature
Enchanted creature gets +1/+1 and has protection from creatures.