msem-instigator

When Onward to War enters, draw a card, then choose a card name.
Whenever one or more creatures you control with the chosen name attack, look at the top four cards of your library. Put a creature or enchantment card with mana value 3 or less from among them into your hand. Put the rest on the bottom of your library in any order.

Flying, haste
When EHSAE, Entelan Skycraft deals combat damage to a player, you may return it to its owner's hand. If you do, you may search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.
Crew 3

{T}: Untap another target enchanted creature you control. You may attach target Aura attached to that creature to another creature you control. Activate only as a sorcery.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Trample
Whenever Silver-Dawn Ranger becomes the target of a spell, put a +1/+1 counter on each Warrior you control.

Flying, vigilance, lifelink
Idyllic Pegasus gets +1/+0 for each artifact and/or enchantment you control.

Destroy target creature. (Cast a copy of this spell once while this creature is on the battlefield.)

When Journey to the Zhedina enters, draw a card, then choose a creature card name.
Whenever a creature with the chosen name you control deals damage to a player, put a +1/+1 counter on it.

When Tamer of the Ton dies, create a 4/4 green Chimera creature token.

[+1]: Create a tapped colorless Bullet artifact token with “{T}, Sacrifice this artifact: It deals 1 damage to any target.”
[–1]: Exile target creature or planeswalker that was dealt damage this turn.
[–7]: You get an emblem with “At the beginning of each end step, you may draw X cards, where X is the amount of life your opponents lost this turn.”

Deathtouch

Flying, vigilance
When you unveil Graced Theurge, draw a card.

When Warrior's Perspective enters, invigorate 1. (Choose a creature with the least power among creatures you control and put a +1/+1 counter on it.)
Whenever a creature you control with a +1/+1 counter on it becomes tapped, you may draw a card. If you do, discard a card.

Enchant creature
When Silent Call enters, draw a card.
Enchanted creature attacks each combat if able.

Concord — When Coralight Communer enters, if there are four or more card types among permanents you control, draw a card.

Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the end step.)
When Sandstrider enters, put a +1/+1 counter on target creature.

[+1]: Add {W}{U}{B}{R}{G}.
[–1]: Exile the top three cards of your library. Until end of turn, you may play cards exiled with this permanent.
[–3]: Create a 5/5 Archon creature token that's all colors and has flying and “When this creature enters, it deals 5 damage to any target.”

Well of Eternity enters with X charge counters on it.
At the beginning of your first main phase, choose a color, then add one mana of that color for each charge counter on Well of Eternity.

Gleaming Veldt enters tapped unless another player controls a land that could produce {G} or {W}.
{T}: Add {G} or {W}.

Search your library for a basic land card and a Desert card, put them onto the battlefield tapped, then shuffle.

Trample
{1}{R}: Each attacking creature you control with trample gets +1/+0 until end of turn.

Look at the top X cards of your library, where X is two plus the number of creatures you control. Exile up to two of them, then put the rest on the bottom in a random order. You may play the exiled cards until the end of your next turn.

At the beginning of your upkeep, you may pay 2 life. When you do, proliferate. (You choose any number of permanents and/or players with counters on them, then give each another kind of a counter already there.)

Target creature gets -2/-2 until end of turn. When that creature dies this turn, create a tapped 2/2 black Zombie creature token.

Whenever you scry, Taker of Tithes gets +1/+0 until end of turn and can't be blocked this turn.