Plains

Teferi's Sentinel

As long as you control a Teferi planeswalker, Teferi's Sentinel gets +4/+0.

Temporal Machinations

Return target creature to its owner's hand. If you control an artifact, draw a card.

Befuddle

Target creature gets -4/-0 until end of turn.
Draw a card.

Aesthir Glider

Tetsuko Umezawa, Fugitive

Creatures you control with power or toughness 1 or less can't be blocked.

Daring Archaeologist

When Daring Archaeologist enters, you may return target artifact card from your graveyard to your hand.
Whenever you cast a historic spell, put a +1/+1 counter on Daring Archaeologist. (Artifacts, legendaries, and Sagas are historic.)

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Teferi, Timebender

+2: Untap up to one target artifact or creature.
−3: You gain 2 life and draw two cards.
−9: Take an extra turn after this one.

Meandering River

Meandering River enters tapped.
{T}: Add {W} or {U}.

Relic Runner

Relic Runner can't be blocked if you've cast a historic spell this turn. (Artifacts, legendaries, and Sagas are historic.)

Jhoira's Familiar

Flying
Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

Divination

Niambi, Faithful Healer

When Niambi, Faithful Healer enters, you may search your library and/or graveyard for a card named Teferi, Timebender, reveal it, and put it into your hand. If you search your library this way, shuffle.

Island

Zahid, Djinn of the Lamp

You may pay {3}{U} and tap an untapped artifact you control rather than pay this spell's mana cost.
Flying

Gideon's Reproach

Gideon's Reproach deals 4 damage to target attacking or blocking creature.

Sparring Construct

When Sparring Construct dies, put a +1/+1 counter on target creature you control.

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.