Selfless Spirit

Flying
Sacrifice Selfless Spirit: Creatures you control gain indestructible until end of turn.

Viscera Seer

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Whenever another creature you control enters, each opponent loses 1 life.

Deathtouch
Whenever another creature you control enters, you gain 1 life.
Whenever another creature you control dies, each opponent loses 1 life.

Exile target creature you control, then return that card to the battlefield under your control.

Sacrifice another creature or artifact: Put a +1/+1 counter on Bartolomé del Presidio.

Whenever another creature enters, untap Midnight Guard.

Enchant creature
Enchanted creature has "{T}: Create a 1/1 green Elf Warrior creature token."