Played on Urf, but for normals its hot to
Since you can stack Tear on allies.
Then you have summon aery for extra shields.
Moonstone first,
UNIQUE – STARLIT GRACE: When affecting champions with attacks or abilities in combat, Heal the nearby allied champion (excluding yourself) with the most missing health for 60 (2 second cooldown).
Each second spent in combat with champions grants 5% heal and shield power, stacking up to 5 times for maximum of 25%.
MYTHIC PASSIVE: Empowers each of your other Legendary items with 8 heal for this item's passive effect, Starlit Grace
And then tank and ability haste:
ability haste shoes
visage for the selfheal
the lvl13 support item with +/- 26.66%cdr
Played with pressence of mind (mana on aa) last game, try item haste this game